MCQOPTIONS
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MCQOPTIONS
This section includes 312 Mcqs, each offering curated multiple-choice questions to sharpen your Banking And Financial Awareness knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Kepler's second law (law of area) is nothing but a statement of |
| A. | work energy theorem |
| B. | conservation of linear momentum |
| C. | conservation of angular momentum |
| D. | conservation of energy |
| Answer» D. conservation of energy | |
| 102. |
Which one of the following statements regarding artificial satellite of the earth is incorrect? |
| A. | The orbital velocity depends on the mass of the satellite |
| B. | A minimum velocity of 8 km/sec is required by a satellite to orbit quite close to the earth |
| C. | The period of revolution is large if the radius of its orbit is large |
| D. | The height of a geostationary satellite is about 36000 km from earth |
| Answer» B. A minimum velocity of 8 km/sec is required by a satellite to orbit quite close to the earth | |
| 103. |
SI unit of pressure is |
| A. | atmosphere |
| B. | bar |
| C. | pascal |
| D. | mm of Hg |
| Answer» D. mm of Hg | |
| 104. |
A man waves his arms while walking. This is to |
| A. | keep constant velocity |
| B. | ease the tension |
| C. | increase the velocity |
| D. | balance the effect of earth's gravity |
| Answer» E. | |
| 105. |
The maximum kinetic energy of a planet moving around the sun is at a position |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» B. B | |
| 106. |
If the earth rotates faster than its present speed, the weight of an object will |
| A. | increase at the equator but remain unchanged at the poles |
| B. | decrease at the equator but remain unchanged at the poles |
| C. | remain unchanged at the equator but decrease at the poles |
| D. | remain unchanged at the equator but increase at the poles |
| Answer» C. remain unchanged at the equator but decrease at the poles | |
| 107. |
Time period of a simple pendulum inside a satellite orbiting earth is |
| A. | zero |
| B. | \[\infty \] |
| C. | T |
| D. | 2T |
| Answer» C. T | |
| 108. |
If the earth stops rotating about its axis, the acceleration due to gravity will remain unchanged at |
| A. | equator |
| B. | latitude \[45{}^\circ \] |
| C. | latitude \[60{}^\circ \] |
| D. | poles |
| Answer» E. | |
| 109. |
When a satellite is in the synchronous orbit above the equator, it stays in one place with reference to the earth by making each revolution in just the same time as it takes the earth to rotate once. What is the altitude of the synchronous orbit? |
| A. | 20000km |
| B. | 30000km |
| C. | 32500km |
| D. | 36000km |
| Answer» E. | |
| 110. |
A car is moving on a road and rain is falling vertically. Select the correct answer. |
| A. | The rain will strike the wind screen only |
| B. | The rain will strike the front screen only |
| C. | The rain will strike both the screens |
| D. | The rain will not strike any of the screens |
| Answer» C. The rain will strike both the screens | |
| 111. |
A balloon filled with \[C{{O}_{2}}\] released on earth would (neglect viscosity of air) |
| A. | climb with an acceleration 9.8\[m/{{s}^{2}}\] |
| B. | fall with an acceleration 9.8 \[m/{{s}^{2}}\] |
| C. | fall with a constant acceleration 3.4\[m/{{s}^{2}}\] |
| D. | fall with acceleration and then would attain a constant velocity |
| Answer» D. fall with acceleration and then would attain a constant velocity | |
| 112. |
A couple produces a |
| A. | pure linear motion |
| B. | pure rotational motion |
| C. | no motion. |
| D. | both linear and rotational motion |
| Answer» C. no motion. | |
| 113. |
If a running boy jumps on a rotating table, which of the following is conserved? |
| A. | Linear momentum |
| B. | KJE |
| C. | Angular momentum |
| D. | None of these |
| Answer» D. None of these | |
| 114. |
For inelastic collisions between two spherical rigid bodies |
| A. | the total kinetic energy is conserved |
| B. | the total mechanical energy is not conserved |
| C. | the linear momentum is not conserved |
| D. | the linear momentum is conserved |
| Answer» E. | |
| 115. |
In an explosion, a body breaks up into two pieces of unequal masses. In this |
| A. | both parts will have numerically equal momentum |
| B. | lighter part will have more momentum |
| C. | heavier part will have more momentum |
| D. | both parts will have equal kinetic energy |
| Answer» B. lighter part will have more momentum | |
| 116. |
A jet plane moves up in air because |
| A. | the gravity does not act on bodies moving with high speeds |
| B. | the thrust of the jet compensates for the force of gravity |
| C. | the flow of air around the wings causes an upward force, which compensates for the force of gravity |
| D. | the weight of air whose volume is equal to the volume of the plane is more than the weight of the plane |
| Answer» C. the flow of air around the wings causes an upward force, which compensates for the force of gravity | |
| 117. |
For a body falling freely under gravity from a height |
| A. | only the potential energy goes on increasing |
| B. | only the kinetic energy goes on increasing |
| C. | both kinetic energy as well as potential energy go on increasing |
| D. | the kinetic energy goes on increasing while potential energy goes on decreasing |
| Answer» E. | |
| 118. |
Which of the following is NOT an illustration of Newton?s third law? |
| A. | Flight of a jet plane |
| B. | A cricket player lowering his hands while catching a cricket ball |
| C. | Walking on floor |
| D. | Rebounding of a rubber ball |
| Answer» C. Walking on floor | |
| 119. |
A monkey is climbing up a rope, then the tension in the rope |
| A. | must be equal to the force applied by the monkey on the rope. |
| B. | must be less than the force applied by the monkey on the rope. |
| C. | must be greater than the force applied by the monkey on the rope. |
| D. | may be equal to, less than or greater the force applied by the monkey on the rope. |
| Answer» B. must be less than the force applied by the monkey on the rope. | |
| 120. |
A coin is placed on a rotating disc and is stationary w.r.t. the disc, then the direction of friction is |
| A. | along the direction of motion of the coin w.r.t. ground |
| B. | opposite to the direction of motion of the coin w.r.t. ground |
| C. | towards the centre of the disc |
| D. | away from the centre of the disc |
| Answer» D. away from the centre of the disc | |
| 121. |
Frictional force |
| A. | always acts opposite to the direction of motion |
| B. | always acts in the direction of motion |
| C. | may act in the direction of motion |
| D. | always acts perpendicular to the direction of motion |
| Answer» D. always acts perpendicular to the direction of motion | |
| 122. |
A large truck and a car, both moving with a velocity of same magnitude have a head-on-collision. Car suffers more damage than the truck. This is because |
| A. | the material used in car is inferior than the material used in truck. |
| B. | car experience the greater force of impact than the truck. |
| C. | momentum transferred to the truck is greater than the momentum transferred to the car. |
| D. | momentum transferred to the car is greater than the momentum transferred to the truck. |
| Answer» 2 , 4. momentum transferred to the truck is greater than the momentum transferred to the car. | |
| 123. |
A parrot is sitting on the floor of a closed glass cage which is in a boy's hand. If the parrot starts flying with a constant speed, the boy will feel the weight of the cage as |
| A. | unchanged |
| B. | reduced |
| C. | increased |
| D. | nothing can be said |
| Answer» B. reduced | |
| 124. |
The relative velocity \[{{v}_{AB}}\]or \[{{v}_{BA}}\] of two bodies A and B may be (1) greater than velocity of body A (2) greater than velocity of body B (3) less than the velocity of body A (4) less than the velocity of body B |
| A. | (1) and (2) only |
| B. | (3) and (4) only |
| C. | (1), (2) and (3) only |
| D. | (1), (2), (3) and (4). |
| Answer» E. | |
| 125. |
A man getting down a running bus, falls forward because |
| A. | due to inertia of rest, road is left behind and man reaches forward |
| B. | due to inertia of motion upper part of body continues to be in motion in forward direction while feet come to rest as soon as they touch the road |
| C. | he leans forward as a matter of habit |
| D. | of the combined effect of all the three factors stated in [a], [b] and [c] |
| Answer» C. he leans forward as a matter of habit | |
| 126. |
Four cars A, B, C and D are moving on a levelled road. Their distance versus time graphs are shown in figure. Choose the correct statement. |
| A. | Car A is faster than car D |
| B. | Car B is the slowest. |
| C. | Car C is faster than car D. |
| D. | Car C is the lowest. |
| Answer» 2 , 3. Car C is faster than car D. | |
| 127. |
A particle is moving in a circular path of radius r. The displacement after half a circle would be |
| A. | zero |
| B. | \[\pi r\] |
| C. | \[2r\] |
| D. | \[2\pi r\] |
| Answer» D. \[2\pi r\] | |
| 128. |
The numerical ratio of average velocity to average speed is |
| A. | always less than one |
| B. | always equal to one |
| C. | always more than one |
| D. | equal to or less than one |
| Answer» E. | |
| 129. |
Light year is |
| A. | Light emitted by the sun in one year. |
| B. | Time taken by light to travel from sun to earth. |
| C. | The distance travelled by light in free space in one year. |
| D. | Time taken by earth to go once around the sun. |
| Answer» D. Time taken by earth to go once around the sun. | |
| 130. |
The magnetic compass is not useful for navigation near the magnetic poles. Since |
| A. | \[R=0\] |
| B. | \[V=0\] |
| C. | \[H=0\] |
| D. | \[\theta ={{0}^{{}^\circ }}\] |
| Answer» D. \[\theta ={{0}^{{}^\circ }}\] | |
| 131. |
Out of the following, diamagnetic substance is |
| A. | iron |
| B. | copper |
| C. | lead |
| D. | silver |
| Answer» C. lead | |
| 132. |
A magnetic needle is kept in a non-uniform magnetic field. It experiences |
| A. | neither a force nor a torque |
| B. | a torque but not a force |
| C. | a force but not a torque |
| D. | a force and a torque |
| Answer» E. | |
| 133. |
Which of the following is most suitable for the core of electromagnets? |
| A. | Soft iron |
| B. | Steel |
| C. | Copper-nickel alloy |
| D. | Air |
| Answer» B. Steel | |
| 134. |
Demagnetisation of magnets can be done by |
| A. | rough handling |
| B. | heating |
| C. | magnetising in the opposite direction |
| D. | All of the above |
| Answer» E. | |
| 135. |
The universal properties of all substances is |
| A. | diamagnetism |
| B. | ferromagnetism |
| C. | paramagnetism |
| D. | All of these |
| Answer» B. ferromagnetism | |
| 136. |
Which one of the following is a non-magnetic substance? |
| A. | Iron |
| B. | Cobalt |
| C. | Nickel |
| D. | Brass |
| Answer» E. | |
| 137. |
Due to the earth's magnetic field, charged cosmic ray particles |
| A. | require greater kinetic energy to reach the equator than the poles |
| B. | require less kinetic energy to reach the equator than the poles |
| C. | can never reach the equator |
| D. | can never reach the poles |
| Answer» D. can never reach the poles | |
| 138. |
Magnetic meridian is a |
| A. | point |
| B. | horizontal plane |
| C. | vertical plane |
| D. | line along N-S |
| Answer» D. line along N-S | |
| 139. |
A compass which is allowed to move in a horizontal plane is taken to a geomagnetic pole. It |
| A. | will stay in north-south direction only |
| B. | will stay in east-west direction only |
| C. | will stay in any position |
| D. | None of these |
| Answer» D. None of these | |
| 140. |
The permanent magnet is made from which one of the following substances? |
| A. | Diamagnetic |
| B. | Paramagnetic |
| C. | Ferromagnetic |
| D. | Electromagnetic |
| Answer» D. Electromagnetic | |
| 141. |
A conducting wire can give magnetic poles when it |
| A. | bent into the form of a circular ring |
| B. | placed in an external magnetic field |
| C. | suspended freely in air |
| D. | All of the above |
| Answer» B. placed in an external magnetic field | |
| 142. |
The force which makes maglev move |
| A. | gravitational field |
| B. | magnetic field |
| C. | nuclear forces |
| D. | air drag |
| Answer» C. nuclear forces | |
| 143. |
To shield an instrument from external magnetic field, it is placed inside a cabin made from |
| A. | wood |
| B. | ebonite |
| C. | iron |
| D. | diamagnetic substance |
| Answer» D. diamagnetic substance | |
| 144. |
Electromagnets are made of soft iron because soft iron has |
| A. | low retentivity and high coercive force |
| B. | high retentivity and high coercive force |
| C. | low retentivity and low coercive force |
| D. | high retentivity and low coercive force |
| Answer» E. | |
| 145. |
Curie temperature is the temperature above which |
| A. | a ferromagnetic material becomes paramagenetic |
| B. | a paramagnetic material becomes diamagnetic |
| C. | a ferromagnetic material becomes diamagnetic |
| D. | a paramagnetic m aterial becomes ferromagnetic |
| Answer» B. a paramagnetic material becomes diamagnetic | |
| 146. |
At magnetic poles, the angle of dip is |
| A. | \[45{}^\circ \] |
| B. | \[30{}^\circ \] |
| C. | zero |
| D. | \[90{}^\circ \] |
| Answer» E. | |
| 147. |
Metals getting magnetised by orientation of atomic magnetic moments in external magnetic field are called |
| A. | diamagnetics |
| B. | paramagnetics |
| C. | ferromagnetics |
| D. | antimagnetics |
| Answer» C. ferromagnetics | |
| 148. |
Which of the following is the most suitable material for making permanent magnet? |
| A. | Steel |
| B. | Soft iron |
| C. | Copper |
| D. | Nickel |
| Answer» B. Soft iron | |
| 149. |
The magnetism of magnet is due to |
| A. | the spin motion of electron |
| B. | earth |
| C. | pressure of big magnet inside the earth |
| D. | cosmic rays |
| Answer» B. earth | |
| 150. |
The earth radiates in the infra-red region of the spectrum. The spectrum is correctly given by |
| A. | Wien's law |
| B. | Rayleigh's law |
| C. | Planck's law of radiation |
| D. | Stefan 's law of radiation |
| Answer» D. Stefan 's law of radiation | |