# NEET Test Series-2021 to 2022/NEET Physics MCQ set 3 Sample Test,Sample questions

## Question: ` A light and a heavy body have equal momenta. Which one has greater kinetic energy?`

1.The light body

2.The heavy body

3.The kinetic energy is equal

4.Data is incomplete

1.242

2.336

3.148

4.94

1.1 only

2.1 and 3

3.3 only

4.2 and 3

1.100%

2.150%

3.200%

4.175%

## Question: ` If the stone is thrown up vertically and return to the ground, its potential energy is maximum`

1.During the upward journey

2.At the maximum height

3.During the return journey

4.At the bottom

1.16 times

2.8 times

3.2 times

4.4 times

## Question: ` The number of protons or atomic number is reduced to 2 by which form of radioactive decay?`

1.Beta-decay

2.Gamma decay

3.Alpha decay

4.None of the above

## Question: ` The outputs of a NAND gate is 0`

1.If both inputs are 0

2. If one input is 0 and the other input is 1

3. If both inputs are 1

4. If both inputs are 1 or one of the inputs is 1 and the other one is 0

1.50 cm

2.100 cm

3.2 cm

4.2 m

1.Energy

2.Momentum

3.Speed

4.Velocity

1.12 J

2.9 J

3.6 J

4.3 J

1.2 Mv

2.1 Mv

3.-2 Mv

4.Zero

1.1:2

2.1:1

3.2:1

4.4:1

## Question: `A bottle of soap water is grasped by the neck and swings briskly in a vertical circle. Near which portion of the bottle do the bubbles collect`

1.Near the bottom

2.In the middle of the bottle

3.Near the neck

4.Uniformly distributed in the bottle

## Question: `A bucket tied at the end of a 1.6 m long spring is whirled in a vertical circle with constant speed. What should be the minimum speed so that the water from the bucket does not spill when the bucket is at the highest position?`

1.4 m/sec

2.6.25 m/sec

3.16 m/sec

4.None of the above

1.1 sec

2.10 sec

3.8 sec

4.4 sec

1.5 J

2.â…š J

3.6 J

4.75 J

1.1.5 N

2.2.5 N

3.3.5 N

4.4.5 N

## Question: `A lead ball strikes a wall and falls down, a tennis ball having the same mass and velocity strikes the wall and bounces back. Check the correct statement.`

1.Kinetic energy of the system alone is conserved

2.Only momentum is conserved

3.Only momentum is conserved

4.Neither energy nor momentum is conserved

## Question: `A light and a heavy body have equal kinetic energy. Which one has a greater momentum?`

1.The light body

2.The heavy body

3.Both have equal momentum

4.Both have equal momentum

## Question: `A logic gate is an electronic circuit which`

1.Makes logic decisions

2.Allows electrons flow only in one direction

3.Woks binary algebra

4.Alternates between 0 and 1 values

## Question: ```A man pushes a wall and fails to displace it. He does (a) ```

1.Negative work

2.Positive but not maximum work

3.No work at alL

4.Maximum work

1.4 m

2.8 m

3.2 m

4.16 m

1.electrons

2.Neutrons

3.Energy

4.Protons

1.0.51 A

2.0.61 A

3.0.71 A

4.0.81 A

## Question: `A particle of mass m is hanging vertically by an ideal spring of force constant k. If the mass is made to oscillate vertically, its total energy is`

1.Maximum at extreme position

2.Maximum at mean position

3.Minimum at mean position

4.Same at all positions

## Question: `A shell initially at rest explodes into two pieces of equal mass, then the two pieces will`

1.Move with different velocities in different directions

2.Be at rest

3.Move with the same velocity in the same direction

4.Move with the same velocity in opposite directions

1.(4/3)v

2.V

3.2 v

4.Â¾ v

1.mg tanÎ¸

2.mg sinÎ¸

3.â€“ mg sinÎ¸

4.â€“ mg cosÎ¸

## Question: `A transistor has`

1.Two p-n junctions

2.One p-n junction

3.Three p-n junctions

4.Four p-n junctions

## Question: `A1 Kg stone at the end of 1 m long string is whirled in a vertical circle at a constant speed of 4 m/sec. The tension in the string is 6 N, when the stone is at`

1.Top of the circle

2.Bottom of the circle

3.Halfway down

4.None of the above

## Question: `As the temperature of a transistor goes up, the base-emitter resistance`

1.Decreases

2.Increases

3.Remains the same

4.None of the above

1.Truth

2.Logic

3.Symbol

4.Numbers

## Question: `For a magnet of a time period T magnetic moment is M. If the magnetic moment becomes one-fourth of the initial value, then the time period of oscillation becomes`

1.Half of the initial value

2.One-fourth of the initial value

3.Double of the initial value

4.Four times the initial value

## Question: `For a tunnel diode, when p is the probability that the carrier crosses the barrier â€˜Wâ€™ is the width â€˜eâ€™ is energy`

1. p âˆ 1/e(-A*e*w)

2. p âˆ e(-A*e*w)

3.p âˆ 1/e(A*e*w)

4.p âˆ e(A*e*w)

## Question: `Helium nuclei particles are called`

1.Gamma particles

2.Beta particles

3.Alpha particles

4.No particles that are helium nuclei

1.Four

2.One

3.Two

4.Three

1.1

2.2

3.3

4.4

1.1

2.2

3.3

4.4

1.50%

2.100%

3.125%

4.25%

1.n times

2. 2n times

3.n3 times

4.n2 times

1.Low

2.Very high

3.Almost zero

4.High

## Question: `In an elastic collision of two particles the following is conserved`

1.Speed of each particle

2.Kinetic energy of each particle

3.Total kinetic energy of both the particles

4.Momentum of each particle

## Question: `In the construction of tunnel diode, why is the pellet soldered to anode contact and a tiny dot to the cathode contact via a mesh screen?`

1.For better conduction and reduce inductance respectively

2.For better conduction and reduce inductance respectively

3.For heat dissipation and increase conduction respectively

4.For heat dissipation and reduce induction respectively

1.Proton

2.Neutron

3.Electron

4.atom

## Question: ```The atomic number is not changed by which type of radioactive decay? ```

1.Beta

2.Gamma

3.Alpha

4.The atomic number is affected by all forms of radioactive decay

## Question: `The base of a transistor is â€¦â€¦â€¦â€¦. doped`

1.Moderately

2.Lightly

3.Heavily

4.None of the above

## Question: `The base-emitter junctions of a transistor is `

1.a wide depletion layer

2. Low resistance

3.a reverse bias

4.None of these

1.1

2.0

3.âˆž

4.-1

1.Free electrons

2.Acceptor ions

3.Donor ions

4.Holes

1.10 cm

2.14 cm

3.2 cm

4.3.5 cm

## Question: ```The energy stored in wound watch spring is ```

1.K.E

2.P.E

3.Heat Energy

4.Chemical Energy

1. NAND

2.OR

3.AND

4.XOR

1.36 m

2.1m

3.1/36 m

4.â…™ m

## Question: `The logic behind NOR gate is that it gives`

1.HIgh output when both the inputs are low

2.Low output when both the inputs are low

3.HIgh output when both the inputs are high

4.None of the above

## Question: `The majority of the carriers from the emitter`

1.Recombine in the emitter

2.Pass through the base of the collector

3.Recombine in the base

4.None of these

## Question: `The mass and diameter of a planet are twice those of earth. The period of oscillation of pendulum on this planet will be (if it is a secondâ€™s pendulum on earth)`

1.1/âˆš2 second

2.2 x âˆš2 second

3.2 second

4.Â½ second

1.4 x 10-2 m

2.4 x 10-1 m

3.4 x 10 m

4.4 x 100 m

1.neutrons only.

2.Electrons

3.Mass numbers

4.Masses

1.High

2.Zero

3.Low

4.Very low

## Question: `The output of OR gate is 1`

1.If both inputs are zero

2.If either or both inputs are 1

3.Only if both inputs are 1

4.If either input is zero

## Question: `The principle of conservation of linear momentum can be strictly applied during a collision between two particles provided the time of impact is`

1.Moderately small

2.Extremely large

3.Extremely small

4.Depends on a particular case

1.75

2.300

3.18.75 (d)

4.150

1.T

2.T/2

3.2T/5

4.Tâˆš3/

## Question: `The Tunnel diode is best suited for`

1.Amplitude limiters

2.Amplifiers

3.Oscillators

4.Rectifiers

## Question: `The tunnel diode is mainly used`

1. To control the power

2.For very high speed of switchingTo control the power

3.For rectification

4.For fact chopping

## Question: `The tunnelling involves`

1.Acceleration of electron in p side

2.Movement of electrons from the n-side of the conduction band to the p-side of the valance band

3.Charge distribution management in both the bands

4.Positive slope characteristic of the diode

## Question: `The tunnelling phenomenon is also known as`

1.Bulk semiconductor phenomenon

2.Auto electronic phenomenon

3.Auto electric phenomenon

4.Esaki phenomena

## Question: ```The value of input impedance for a matched line will be equal to (a) ```

2.Characteristic impedance

3.Output impedance

4.Zero

## Question: ```The value of Î± of a transistor is ```

1.More than 1

2. Less than 1

3.1

4.None of the above

## Question: ```The work done against gravity in taking 10 kg mass at 1 m height in 1 sec will be ```

1. 49 J

2.98 J

3.196 J

4.None of the above

1.Beta

2.Gamma

3.Alpha

4.delta

## Question: `Tunnel diode operates very fast in the â€¦â€¦â€¦. region.`

1.Gamma frequency region

2.Microwave frequency region

4.Ultraviolet frequency region

1.Temperature

2.Kinetic energy

3.Momentum

4.Velocity

## Question: `What are the materials used to make the Tunnel diode?`

1.AlGaAs

2.AlGaInP

3.ZnTe

4.Silicon and germanium materials

1. 50

2.75

3.50 or 75

4.100

1.The same

2.Doubled

3.Halved

4.Four times

## Question: `When two atomic nuclei combine it is called as`

1.Chain reaction

2.Nuclear fusion

3.Nuclear decay

4.Nuclear fission

## Question: `When work is done on a body by an external force, its`

1.kinetic energy increases

2.potential energy increases

3.Both kinetic energy and potential energy increases

4.Sum of the kinetic energy and potential energy remains constant

## Question: `Which among the following is the reason for the depletion layer of the tunnel diode to be very small?`

1.Dopants are high and it is abrupt

2.Itâ€™s used at very high-frequency ranges

3.Uses positive conductance property

4.Tunneling effect

1.OR

2.NAND

3.AND

4.NOR

1.OR

2.NOT

3.AND

4.NOR

## Question: `Which statement is true for all three types of radioactive emission?`

1.They are deflected by electric fields

2.They ionise gases

3.They are completely absorbed by a thin aluminium sheet

4.They emit light

## Question: `Work done in raising a box depends on`

1.How fast it is raised

2.The strength of the man

3.The height by which it is raised

4.None of the above

## Question: `You lift a heavy book from the floor of the room and keep it in the bookshelf having a height of 2 m. This process takes 5 seconds. The work done by you will depend on`

1.Mass of the book and the time taken

2.Weight of the book and height of the bookshelf

3.Height of the bookshelf and the time taken

4.Mass of the book, height of the bookshelf and the time taken

## More MCQS

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