Bernoulli's principle does not explain

Automatic blowing of the roofs of houses during blizzard in hilly areas.

A geostationary satellite should be launched such that it moves from

North to south in the polar plane

South to north in the polar plane

East to west in the equatorial plane

West to east in the equatorial plane

When a fluid passes through the constricted part of a pipe, its

Velocity decrease and pressure increases

Velocity increases and pressure decreases

The rate of leak from a hole in a tank is

Independent of its height from the bottom

More if situated near the bottom

More at midway between top and bottom

In order to double the period of a simple pendulum

The mass of its bob should be doubled

Its length should be quadrupled

The mass of its bob should be doubled

The mass of its bob should be quadrupled

The excess of pressure inside a drop or bubble is

Inversely proportional to its surface tension

Directly proportional to its mass

Directly proportional to its radius

Inversely proportional to its radius

Inversely proportional to its surface tension

The orbital speed of jupiter is

Equal to the orbital speed of the earth

Greater than the orbital speed of the earth

Less than the orbital speed of the earth

Equal to the orbital speed of the earth

Consider the following statementsAssertion (A) : A table cloth can be pulled from a table without dislodging the dishes.Reason (R) : To every action there is an equal and opposite reaction.Codes

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is not the correct explanation of A

The tidal waves in the sea are primarily due to

The gravitational effect of the sun on the earth

The gravitational effect of the moon on the earth

The atmospheric effect of the earth itself

both on the ground and at the maximum height

the force acting on it is not in contact with it

the net forces acting on it balances each other

heavy object reaches the ground later than the lighter object

lighter object reaches the ground later than the heavier object

both heavy and light objects reach the ground simultaneously

An artificial satellite

is balanced by the attraction of the moon

is balanced by the viscous drag produced by the atmosphere

produces the necessary acceleration of its motion in a curved path

For which one of the following is

Spread a water drop on a cotton cloth

Rising of water from the roots of a plant to its foliage

to provide an outlet for carbon dioxide

so that sunlight may enter the room

to maintain conventional currents to keep the air fresh in the room

to provide an outlet for carbon dioxide

It may or may not change depending upon size of beaker

It will remain the same as before

It may or may not change depending upon size of beaker

When a particle executing

Maximum kinetic energy and maximum potential energy

Minimum kinetic energy and maximum potential energy

Maximum kinetic energy and minimum potential energy

Maximum kinetic energy and maximum potential energy

Minimum kinetic energy and minimum potential energy

A monkey sits on the pan of a spring scale kept in an elevator. The reading of the spring scale will be maximum when the elevator

It falls freely towards the earth

Oppose the relative motion of its part

281 + Mcqs in Mechanics in Physics Page 3 McqOptions

101.	The escape velocity of a particle of mass m varies as
A.	m
B.	m
C.	m
D.	m
Answer» B. m

Discussion

102.	Bernoulli's principle does not explain
A.	Curved path of a spinning ball
B.	Lift of a jet
C.	Working of a paint sprayer
D.	Automatic blowing of the roofs of houses during blizzard in hilly areas.
Answer» C. Working of a paint sprayer

Discussion

103.	Consider the following statements The acceleration due to earth's gravity decreases if 1. We go down from the surface of the earth towards its centre 2. We go up from the surface of the earth 3. We go from the equator towards the pole 4. The rotational speed of the earth is increased Which of these statements are correct?
A.	1 and 2
B.	3 and 4
C.	1, 2 and 4
D.	2, 3 and 4
Answer» D. 2, 3 and 4

Discussion

104.	Consider the following statements 1. A geo-stationary satellite is at an approximate height of 10,000 km. 2. FM transmission of music is a very good quality because the atmospheric or man made noises. Which are generally frequency variations can do little harm? Which of the statements give above is / are correct?
A.	1 only
B.	2 only
C.	Both 1 and 2
D.	Neither 1 not 2
Answer» C. Both 1 and 2

Discussion

105.	A geostationary satellite should be launched such that it moves from
A.	North to south in the polar plane
B.	South to north in the polar plane
C.	East to west in the equatorial plane
D.	West to east in the equatorial plane
Answer» E.

Discussion

106.	Consider vehicle moving in sharp circular path at high speed will 1. Overturn about its outer wheels 2. Overturn about its inner wheels 3. Skid outwards 4. Skid inwards Which of these statements are correct?
A.	1 and 3
B.	2 and 4
C.	2 and 3
D.	1 and 4
Answer» B. 2 and 4

Discussion

107.	When a fluid passes through the constricted part of a pipe, its
A.	Velocity and pressure decrease
B.	Velocity and pressure increase
C.	Velocity decrease and pressure increases
D.	Velocity increases and pressure decreases
Answer» E.

Discussion

108.	The rate of leak from a hole in a tank is
A.	Independent of its height from the bottom
B.	More if situated near the bottom
C.	More if situated near its top
D.	More at midway between top and bottom
Answer» C. More if situated near its top

Discussion

109.	In order to double the period of a simple pendulum
A.	Its length should be doubled
B.	Its length should be quadrupled
C.	The mass of its bob should be doubled
D.	The mass of its bob should be quadrupled
Answer» C. The mass of its bob should be doubled

Discussion

110.	The excess of pressure inside a drop or bubble is
A.	Directly proportional to its mass
B.	Directly proportional to its radius
C.	Inversely proportional to its radius
D.	Inversely proportional to its surface tension
Answer» D. Inversely proportional to its surface tension

Discussion

111.	The orbital speed of jupiter is
A.	Greater than the orbital speed of the earth
B.	Less than the orbital speed of the earth
C.	Equal to the orbital speed of the earth
D.	Zero
Answer» C. Equal to the orbital speed of the earth

Discussion

112.	Consider the following statements Assertion (A) : A table cloth can be pulled from a table without dislodging the dishes. Reason (R) : To every action there is an equal and opposite reaction. Codes
A.	Both A and R are true and R is the correct explanation of A
B.	Both A and R are true but R is not the correct explanation of A
C.	A is true but R is false
D.	A is false but R is true
Answer» E.

Discussion

113.	A simple pendulum has a time period T₁ when on the earth's surface, and T₂ when taken to height R above the earth's surface, where R is radius of the earth the value of T₂ / T₁ Is
A.	1
B.	2
C.	4
D.	2
Answer» E.

Discussion

114.	The young's modulus for perfectly rigid body is
A.	Zero
B.	1
C.	Infinite
D.	None of these
Answer» D. None of these

Discussion

115.	Consider the following statements The escape velocity depends on 1. Mass of the planet 2. Mass of the particles escaping 3. Temperature of the planet 4. Radius of the planet Select the correct answer from the codes given below Codes :
A.	1 and 2
B.	2 and 4
C.	1 and 4
D.	1, 3 and 4
Answer» D. 1, 3 and 4

Discussion

116.

Match List-I with List-II and select the correct answer from the codes given below
List-I List-II
F. Acceleration 1. Joule
G. Force 2. Newton second
H. Work done 3. Newton
J. Impulse 4. Metre per socond²
Codes
F G H J
A. 1 2 3 4
B. 2 3 4 1
C. 4 3 1 2
D. 3 4 1 2

A.

B.

C.

D.

Answer» D. D.

Discussion

117.

Match List-I with List-II and select the correct answer using the codes given below
List-I List-II
F. Joule 1. Henery-ampere/sec
G. Watt 2. Farad-volt
H. Volt 3. Coulomb
J. Coulomb 4. Orested-cm
5. Amp-gauss
6 Amp²-ohm
Codes
F G H J
A. 1 6 5 4
B. 3 6 1 2
C. 3 6 1 5
D. 2 6 1 3

A.

B.

C.

D.

Answer» C. C.

Discussion

118.	The tidal waves in the sea are primarily due to
A.	The gravitational effect of the sun on the earth
B.	The gravitational effect of the moon on the earth
C.	The rotation of the earth
D.	The atmospheric effect of the earth itself
Answer» C. The rotation of the earth

Discussion

119.

Match List-I (quantity) with List-II (units) and select the correct answer using the codes given below the lists
List-I List-II
F. High speed 1. Mach
G. Wave length 2. Angstrom
H. Pressure 3. Pascal
J. Energy 4. Joule
Codes
F G H J
A. 2 1 4 3
B. 2 1 3 4
C. 1 2 4 3
D. 1 2 3 4

A.

B.

C.

D.

Answer» E.

Discussion

120.	Which of the following is not used in Ohm's Law?
A.	Electric current
B.	Voltage
C.	Resistance
D.	Newton
Answer» E.

Discussion

121.

Match List with List-II and select the correct answer using the codes given below
List-I List-II
F. Joule 1. Current
G. Ampere 2. Power
H. Watt 3. Work
J. Volt 4. Potential difference
K. Calorie 5. Heat
Codes
F G H J K
A. 3 1 2 4 5
B. 1 2 3 4 5
C. 4 3 2 1 5
D. 1 3 2 4 5

A.

B.

C.

D.

Answer» B. B.

Discussion

122.	One feels
A.	is going down steadily
B.	just begins to go up
C.	is moving up steadily
D.	descends freely
Answer» C. is moving up steadily

Discussion

123.	The working principle of a
A.	centrifugation
B.	dialysis
C.	reverse osmosis
D.	diffusion
Answer» B. dialysis

Discussion

124.	A book is kept on the surface of a table. If the
A.	the book on the table
B.	the book on the earth
C.	the table on the book
D.	the table on the earth
Answer» D. the table on the earth

Discussion

125.	A body is thrown
A.	on the ground
B.	at the maximum height
C.	during the return journey
D.	both on the ground and at the maximum height
Answer» C. during the return journey

Discussion

126.	China wares
A.	impulse
B.	momentum
C.	acceleration
D.	force
Answer» B. momentum

Discussion

127.	When a body is
A.	there is no force acting on it
B.	the body is in vacuum
C.	the force acting on it is not in contact with it
D.	the net forces acting on it balances each other
Answer» E.

Discussion

128.	What happens when a
A.	heavy object reaches the ground later than the lighter object
B.	lighter object reaches the ground later than the heavier object
C.	both heavy and light objects reach the ground simultaneously
D.	None of these
Answer» D. None of these

Discussion

129.	An artificial satellite
A.	is balanced by the attraction of the moon
B.	vanishes at such distances
C.	is balanced by the viscous drag produced by the atmosphere
D.	produces the necessary acceleration of its motion in a curved path
Answer» E.

Discussion

130.	For which one of the following is
A.	Blotting of ink
B.	Rising of underground water
C.	Spread a water drop on a cotton cloth
D.	Rising of water from the roots of a plant to its foliage
Answer» C. Spread a water drop on a cotton cloth

Discussion

131.	A man is standing on a boat in
A.	move towards the shore
B.	move away from the shore
C.	remain stationary
D.	sink
Answer» C. remain stationary

Discussion

132.	Ventilators
A.	to bring oxygen for breathing
B.	so that sunlight may enter the room
C.	to maintain conventional currents to keep the air fresh in the room
D.	to provide an outlet for carbon dioxide
Answer» D. to provide an outlet for carbon dioxide

Discussion

133.	A passenger in a
A.	an acceleration
B.	a deceleration
C.	a uniform speed
D.	any of the above
Answer» B. a deceleration

Discussion

134.	A block of ice
A.	It will remain the same as before
B.	It will go down
C.	It will rise up
D.	It may or may not change depending upon size of beaker
Answer» D. It may or may not change depending upon size of beaker

Discussion

135.	Which of the following instrument measure
A.	Spherometer
B.	Stethoscope
C.	Sphygmomanometer
D.	Ammeter
Answer» D. Ammeter

Discussion

136.	The time period of a
A.	the mass
B.	the length
C.	the time
D.	both (a) and (b)
Answer» C. the time

Discussion

137.	When a particle executing
A.	Minimum kinetic energy and maximum potential energy
B.	Maximum kinetic energy and minimum potential energy
C.	Maximum kinetic energy and maximum potential energy
D.	Minimum kinetic energy and minimum potential energy
Answer» C. Maximum kinetic energy and maximum potential energy

Discussion

138.	A monkey sits on the pan of a spring scale kept in an elevator. The reading of the spring scale will be maximum when the elevator
A.	Is stationary
B.	Accelerates upwards
C.	Accelerates downwards
D.	It falls freely towards the earth
Answer» C. Accelerates downwards

Discussion

139.	A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of the room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is
A.	Straight line
B.	An elliptical path
C.	A circular path
D.	A parabolic path
Answer» D. A parabolic path

Discussion

140.	Two satellites
A.	Mass
B.	Angular Momentum
C.	Kinetic Energy
D.	Speed
Answer» E.

Discussion

141.	Viscosity
A.	Oppose the relative motion of its part
B.	Push neighbouring melecules
C.	Attract other molecules
D.	Become conducting
Answer» B. Push neighbouring melecules

Discussion

142.	Parasec
A.	Distance
B.	Time
C.	Intensity of light
D.	Magnetic line
Answer» B. Time

Discussion

143.	A bird is sitting in a wire cage which is hanging from a spring balance. If the bird starts flying inside the cage, the reading of the spring balance will
A.	Remain unchanged
B.	Be less then earlier
C.	Be more than earlier
D.	None of these
Answer» C. Be more than earlier

Discussion

144.	An ideal fluid is flowing in a tube of varying cross section. At some point the radius of the tube is r and the velocity of flow is v. The velocity of flow at another point where the radius is r/2 is
A.	v / 4
B.	v / 2
C.	2 v
D.	4 v
Answer» E.

Discussion

145.	The value of which one of the following quantity remains same in all system of units?
A.	Acceleration due to gravity
B.	Specific gravity
C.	Pressure
D.	Density
Answer» C. Pressure

Discussion

146.	Two teams are pulling a rope with equal and opposite forces each of 5 kN in a tug of war so that a condition of equilibrium exists. What will be the tensile force in the rope?
A.	Zero
B.	2.5 kN
C.	5 kN
D.	10 kN
Answer» D. 10 kN

Discussion

147.	The value of acceleration due to gravity on the surface of the earth is g. It the diameter of the earth becomes double of its present value and its mass remains unchanged, the value of acceleration due to gravity on the surface of the earth would become
A.	g/2
B.	g/4
C.	2g
D.	4g
Answer» C. 2g

Discussion

148.	A man is at rest in the middle of a horizontal plane of perfectly smooth ice. He can move himself to the shore by marking use of Newton's
A.	First law
B.	Second law
C.	third law
D.	All the laws
Answer» D. All the laws

Discussion

149.	A man in a train moving with constant velocity drops a ball on the platform. The path of the ball as seen by an observer standing on the platform is
A.	Straight line
B.	A circle
C.	A parabola
D.	None of these
Answer» D. None of these

Discussion

150.	When the temperature increases, the angle of contact of a liquid
A.	Increases
B.	Decreases
C.	Remain the same
D.	None of these
Answer» C. Remain the same

Discussion

Explore topic-wise MCQs in Physics.

The escape velocity of a particle of mass m varies as

Bernoulli's principle does not explain

A geostationary satellite should be launched such that it moves from

Consider vehicle moving in sharp circular path at high speed will1. Overturn about its outer wheels2. Overturn about its inner wheels3. Skid outwards4. Skid inwardsWhich of these statements are correct?

When a fluid passes through the constricted part of a pipe, its

The rate of leak from a hole in a tank is

In order to double the period of a simple pendulum

The excess of pressure inside a drop or bubble is

The orbital speed of jupiter is

Consider the following statementsAssertion (A) : A table cloth can be pulled from a table without dislodging the dishes.Reason (R) : To every action there is an equal and opposite reaction.Codes

A simple pendulum has a time period T1 when on the earth's surface, and T2 when taken to height R above the earth's surface, where R is radius of the earth the value of T2 / T1 Is

The young's modulus for perfectly rigid body is

Consider the following statementsThe escape velocity depends on1. Mass of the planet2. Mass of the particles escaping3. Temperature of the planet4. Radius of the planetSelect the correct answer from the codes given below Codes :

Match List-I with List-II and select the correct answer from the codes given belowList-IList-IIF.Acceleration1.JouleG.Force2.Newton secondH.Work done3.NewtonJ.Impulse4.Metre per socond2CodesFGHJA.1234B.2341C.4312D.3412

Match List-I with List-II and select the correct answer using the codes given belowList-IList-IIF.Joule1.Henery-ampere/secG.Watt2.Farad-voltH.Volt3.CoulombJ.Coulomb4.Orested-cm5.Amp-gauss6Amp2-ohmCodesFGHJA.1654B.3612C.3615D.2613

The tidal waves in the sea are primarily due to

Match List-I (quantity) with List-II (units) and select the correct answer using the codes given below the listsList-IList-IIF.High speed1.MachG.Wave length2.AngstromH.Pressure3.PascalJ.Energy4.JouleCodesFGHJA.2143B.2134C.1243D.1234

Which of the following is not used in Ohm's Law?

Match List with List-II and select the correct answer using the codes given belowList-IList-IIF.Joule1.CurrentG.Ampere2.PowerH.Watt3.WorkJ.Volt4.Potential differenceK.Calorie5.HeatCodesFGHJKA.31245B.12345C.43215D.13245

One feels

The working principle of a

A book is kept on the surface of a table. If the

A body is thrown

China wares

When a body is

What happens when a

An artificial satellite

For which one of the following is

A man is standing on a boat in

Ventilators

A passenger in a

A block of ice

Which of the following instrument measure

The time period of a

When a particle executing

A monkey sits on the pan of a spring scale kept in an elevator. The reading of the spring scale will be maximum when the elevator

A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of the room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is

Two satellites

Viscosity

Parasec

A bird is sitting in a wire cage which is hanging from a spring balance. If the bird starts flying inside the cage, the reading of the spring balance will

An ideal fluid is flowing in a tube of varying cross section. At some point the radius of the tube is r and the velocity of flow is v. The velocity of flow at another point where the radius is r/2 is

The value of which one of the following quantity remains same in all system of units?

Two teams are pulling a rope with equal and opposite forces each of 5 kN in a tug of war so that a condition of equilibrium exists. What will be the tensile force in the rope?

The value of acceleration due to gravity on the surface of the earth is g. It the diameter of the earth becomes double of its present value and its mass remains unchanged, the value of acceleration due to gravity on the surface of the earth would become

A man is at rest in the middle of a horizontal plane of perfectly smooth ice. He can move himself to the shore by marking use of Newton's

A man in a train moving with constant velocity drops a ball on the platform. The path of the ball as seen by an observer standing on the platform is

When the temperature increases, the angle of contact of a liquid

Consider vehicle moving in sharp circular path at high speed will
1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards
Which of these statements are correct?

Consider the following statements
Assertion (A) : A table cloth can be pulled from a table without dislodging the dishes.
Reason (R) : To every action there is an equal and opposite reaction.
Codes

A simple pendulum has a time period T₁ when on the earth's surface, and T₂ when taken to height R above the earth's surface, where R is radius of the earth the value of T₂ / T₁ Is

Consider the following statements
The escape velocity depends on
1. Mass of the planet
2. Mass of the particles escaping
3. Temperature of the planet
4. Radius of the planet
Select the correct answer from the codes given below
Codes :

Match List-I with List-II and select the correct answer from the codes given below
List-I List-II
F. Acceleration 1. Joule
G. Force 2. Newton second
H. Work done 3. Newton
J. Impulse 4. Metre per socond²
Codes
F G H J
A. 1 2 3 4
B. 2 3 4 1
C. 4 3 1 2
D. 3 4 1 2

Match List-I with List-II and select the correct answer using the codes given below
List-I List-II
F. Joule 1. Henery-ampere/sec
G. Watt 2. Farad-volt
H. Volt 3. Coulomb
J. Coulomb 4. Orested-cm
5. Amp-gauss
6 Amp²-ohm
Codes
F G H J
A. 1 6 5 4
B. 3 6 1 2
C. 3 6 1 5
D. 2 6 1 3

Match List-I (quantity) with List-II (units) and select the correct answer using the codes given below the lists
List-I List-II
F. High speed 1. Mach
G. Wave length 2. Angstrom
H. Pressure 3. Pascal
J. Energy 4. Joule
Codes
F G H J
A. 2 1 4 3
B. 2 1 3 4
C. 1 2 4 3
D. 1 2 3 4

Match List with List-II and select the correct answer using the codes given below
List-I List-II
F. Joule 1. Current
G. Ampere 2. Power
H. Watt 3. Work
J. Volt 4. Potential difference
K. Calorie 5. Heat
Codes
F G H J K
A. 3 1 2 4 5
B. 1 2 3 4 5
C. 4 3 2 1 5
D. 1 3 2 4 5