Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

What will happen if an object is dropped from a height and there is no air resistance?

A. It will fall with a constant speed and acceleration
B. Its acceleration will increase
C. Both speed and acceleration will increase
D. Its speed will increase
Answer» E.
Discussion
2.

When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of

A. surface tension
B. capillarity
C. viscosity
D. diffusion
Answer» E.
Discussion
3.

When a barometer is rising air pressure is

A. increasing
B. decreasing
C. constant
D. zero
Answer» B. decreasing
Discussion
4.

What will be the acceleration produced when a force of 21 N is applied on an object of mass 3 kg?_x005F_x000D_

A. 0.7 m/s2
B. 7 m/s2
C. 0.007 m/s2
D. 70 m/s2
Answer» C. 0.007 m/s2
Discussion
5.

What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?_x005F_x000D_

A. 16.675 x 10-11 N
B. 166.75 x 10-10 N
C. 6.67 x 10-11 N
D. 16.67 x 5-10 N
Answer» C. 6.67 x 10-11 N
Discussion
6.

What type of lens is a magnifying glass?

A. Diverging
B. Spherical
C. Converging
D. Achromatic
Answer» D. Achromatic
Discussion
7.

What will be the resistance of a wire across which, when 2V potential difference is applied, 1A current flows through the wire?

A. 2 ohms
B. 0.02 ohms
C. 0.5 ohms
D. 20 ohms
Answer» B. 0.02 ohms
Discussion
8.

What type of simple machine is an axe?

A. Lever
B. Wedge
C. Both A & B
D. The screw
Answer» D. The screw
Discussion
9.

What type of heat transfer is boiling water?

A. radiation
B. conduction
C. convection
D. None of the above
Answer» D. None of the above
Discussion
10.

What type of force acts on a car moving around a curve?

A. Centrifugal force
B. Cohesive force
C. Centripetal force
D. Gravitational force
Answer» D. Gravitational force
Discussion
11.

What type of electromagnetic radiation is used in the remote control of a television?

A. Ultraviolet
B. Visible
C. Infrared
D. None of the above
Answer» D. None of the above
Discussion
12.

What part of the atom has a positive charge?

A. Neutron
B. Proton
C. Electron
D. All the above
Answer» C. Electron
Discussion
13.

What property of matter is momentum related to?

A. mass
B. velocity
C. Both A & B
D. None of the above
Answer» D. None of the above
Discussion
14.

What kind of crystalline solid is graphite?

A. Metallic
B. Ionic
C. Molecular
D. Covalent- network
Answer» E.
Discussion
15.

What measures Air pressure?

A. Barkometer
B. Bolometer
C. Spectrometer
D. Barometer
Answer» E.
Discussion
16.

What is unit of Viscosity ?

A. coulomb
B. newton second per square meter
C. watt per meter per degree celcius
D. joule per kilogram per Kelvin
Answer» C. watt per meter per degree celcius
Discussion
17.

What is unit of Astronomical distance ?

A. light year
B. angstrom
C. weber
D. lux
Answer» B. angstrom
Discussion
18.

What of the given below devices converts chemical energy to electrical energy?

A. Transformer
B. Battery
C. Electric Generator
D. Wheel
Answer» C. Electric Generator
Discussion
19.

What is the wavelength of a sound wave frequency is 820 Hz and speed is 420 m/s in a given medium?

A. 0.52 m
B. 2.52 m
C. 1.52 m
D. 3.52 m
Answer» B. 2.52 m
Discussion
20.

What is the velocity of sound in air?_x005F_x000D_

A. 343 m/sec
B. 110 m/sec
C. 220 m/sec
D. 232 m/sec
Answer» B. 110 m/sec
Discussion
21.

What is the value of acceleration due to gravity at the centre of earth?

A. -1
B.
C. 1
D. Infinity
Answer» C. 1
Discussion
22.

What is the value of acceleration due to gravity on the surface of the earth?

A. 9.6 cm/s2
B. 9.8 m/s2
C. 10.8 m/s2
D. 9.8 cm/s2
Answer» C. 10.8 m/s2
Discussion
23.

What is the viscosity of an ideal fluid?

A. Equal to its mass
B. Equal to its weight
C. Zero
D. One
Answer» D. One
Discussion
24.

What is the upward force exerted by water called?

A. Density
B. Buoyant force
C. Gravitation
D. Friction
Answer» C. Gravitation
Discussion
25.

What is the unit of the physical quantity, Momentum?

A. newton second
B. joule second
C. erg second
D. pascal second
Answer» B. joule second
Discussion
26.

What is the unit of the physical quantity "Magnetic field strength"?

A. joule per meter
B. newton per meter
C. kelvin per meter
D. ampere per meter
Answer» E.
Discussion
27.

What is the unit of the physical quantity "Young's modulus"?

A. newton
B. erg
C. joule
D. pascal
Answer» E.
Discussion
28.

What is the unit of the physical quantity "Stress"?

A. newton second
B. steradian
C. pascal
D. joule
Answer» D. joule
Discussion
29.

What is the unit of the physical quantity "Jerk"?

A. meter second
B. meter per second cube
C. meter per second square
D. meter per second
Answer» C. meter per second square
Discussion
30.

What is the unit of the physical quantity "Inductance"?

A. weber
B. farad
C. henry
D. tesla
Answer» D. tesla
Discussion
31.

What is the unit of the physical quantity, Illuminance?

A. siemens
B. tesla
C. lux
D. weber
Answer» D. weber
Discussion
32.

What is the unit of the physical quantity, Electrical conductance?

A. lux
B. ohm
C. farad
D. siemens
Answer» E.
Discussion
33.

What is the unit of the physical quantity Entropy?

A. watt per kelvin
B. newton per kelvin
C. pascal per kelvin
D. joule per kelvin
Answer» E.
Discussion
34.

What is the unit of the physical quantity "Capacitance"?

A. weber
B. farad
C. tesla
D. ohm
Answer» C. tesla
Discussion
35.

What is the unit of calorific value?

A. kN/kg
B. kJ/kg
C. kW/sec
D. kCal/sec
Answer» C. kW/sec
Discussion
36.

What is the unit of relative density?

A. kg/m
B. kg/m2
C. kg/m3
D. It has no unit
Answer» E.
Discussion
37.

What is the unit of resistance?

A. ohm
B. farad
C. henry
D. weber
Answer» B. farad
Discussion
38.

What is the unit of electric resistance?

A. Dyne
B. Pascal
C. Joule
D. Ohms
Answer» E.
Discussion
39.

What is the type of Energy possessed by a stretched rubber band?

A. Potential energy
B. Kinetic energy
C. Chemical energy
D. Thermal energy
Answer» E.
Discussion
40.

what is the source of energy for the water cycle?

A. Rain water
B. Sun
C. Clouds
D. Animals
Answer» C. Clouds
Discussion
41.

What is the SI unit of Torque?

A. newton/meter
B. newton meter
C. newton second
D. newton/meter squared
Answer» C. newton second
Discussion
42.

What is the standard room temperature in Kelvin?_x005F_x000D_

A. 98 K
B. 198 K
C. 273 K
D. 373 K_x005F_x000D_
Answer» B. 198 K
Discussion
43.

What is the SI unit of temperature?

A. Kelvin
B. Joule
C. Celsius
D. Fahrenheit
Answer» B. Joule
Discussion
44.

What is the SI unit of pressure?

A. Newton
B. Weber
C. Pascal
D. Henry
Answer» D. Henry
Discussion
45.

What is the SI unit of pressure

A. Pascal
B. Dyne
C. Newton
D. Jule
Answer» B. Dyne
Discussion
46.

What is the SI unit of Power?

A. Boyle
B. Watt
C. Newton
D. Pascal
Answer» C. Newton
Discussion
47.

What is the SI unit of intensity of sound?

A. Decible
B. Newton
C. Heartz
D. Tesla
Answer» B. Newton
Discussion
48.

What is the SI unit of heat energy?

A. Joule
B. Newton
C. Calorie
D. Kelvin
Answer» B. Newton
Discussion
49.

What is the SI unit of frequency?

A. Newton
B. Watt
C. Farad
D. Hertz
Answer» E.
Discussion
50.

What is the SI unit of Force?

A. Pascal
B. Boyle
C. Newton
D. Watt
Answer» D. Watt
Discussion