# NCERT Class 11/MCQ Questions for Class 11 Physics sets 1 Sample Test,Sample questions

1.10 s

2.12 s

3.9 s

4.6 s

## Question: `A block of mass 2 kg rests on a rough inclined plane making an angle of 30 degree with the horizontal. The coefficient of static friction between he block and the plane is 0.7. The frictional force on the block is`

1.9.8 N

2.0.7 Ã— 9.8 Ã— âˆš3 N

3.9.8 Ã— âˆš3 N

4.0.7 Ã— 9.8 N

## Question: `A block of wood is placed on a surface. A force is applied parallel to the surface to move the body. The frictional force developed acts`

1.normal to the surface upwards

2.normal to the surface downwards

3. along the direction of the applied force

4.opposite to the direction of the applied force

## Question: `A body is moving along a circle with an increasing speed. It possesses?`

1. centripetal acceleration only (ac)

2. tangential acceleration only (ar)

3.both tangential and centripetal acceleration (ar and ac)

4.No acceleration

1.1.95

2. 2.78

3.3.47

4.4.6

## Question: `A body is traveling in a circle at constant speed. It`

1.has an inward acceleration

2.has constant velocity.

3.has no acceleration

1. 7 m

2. 1 m

3.5 m

4. 1 . 2 m

1.10 kg m/s

2.7 kg m/s

3.2 .5 kg m/s

4.3 kg m/s

1. 3 m/sÂ²

2.4 m/sÂ²

3.2 m/sÂ²

4.1 m/sÂ²

1.4 s

2.3 s

3.6 s

4.8 s

1.10 s

2.5 s

3.20 s

4. 6 s

1.10 s

2. 5 s

3.20 s

4. 6 s

1.6 m/sÂ²

2.2 m/sÂ²

3.3 m/sÂ²

4.4 m/sÂ²

1.8 m/s

2.6 m/s

3.10 m/s

4.4 m/s

1. 1 m/sÂ²

2.2 m/sÂ²

3.3 m/sÂ²

4.4 m/sÂ²

1.9 m

2.12 m

3.16 m

4.10 m

1. âˆ/2

2.âˆ

3.2âˆ

4. 4âˆ

1.3 km/h

2.zero

3.1.5 km/h

4. 2 km/h

1.3 km/h

2.zero

3.2 km/h

4.1.5 km/h

1.1 N

2.2 N

3.3 N

4.4 N

1.4 sec

2.10 sec

3.8 sec

4.1 sec

1.2 m/sÂ²

2.9.8 m/s Â²

3.1.8 m/2

4.2.7 m/sÂ²

## Question: `A car sometimes overturns while taking a turn. When it overturns, it is`

1.the inner wheel which leaves the ground first

2.either inner wheel or the outer wheel leaves the ground

3.both the wheel leave the ground simultaneously

4.the outer wheel which leaves the ground first

1.2 cm

2.6 cm

3.16 cm

4.4 cm

1.440

2.420

3.430

4.450

## Question: `A force F is given by F = at + btÂ², where t is time. What are the dimensions of a and b?`

1. MLT-1 and MLT0

2.MLT-3 and ML2T4

3.MLT-4 and MLT1

4. MLT-3 and MLT-4

1.5 m/s

2. 0.1 m/s

3.15 m/s

4.20 m/s

1.one

2.four

3.two

4.three

1.15 m/sÂ²

2.3 m/sÂ²

3.10 m/sÂ²

4. 5 m/sÂ²

1.300

2.450

3.600

4.0

## Question: `A passenger in a moving bus is thrown forward when the bus is suddenly stopped. This is explained`

1.by Newtons first law

2.by Newtons second law

3.by Newtons third law

4. by the principle of conservation of momentum

## Question: `A passenger sitting in a bus moving at uniform speed, feels pushed backward whenever the bus is accelerated forward. This type of force is called`

1.Gravitational force

2.real force

3.fictitious force or pseudo force

4.frictional force

## Question: `A scientific theory`

1.cannot be changed but can be reformulated

2.mong scientisis fixed once and for all because it is logical

3.is changed to suit new fashion ats

4. can be revised if required to fit new phenomenon or data

## Question: `A small body attached at the end of an inextensible string completes a vertical circle, then its`

1.angular momentum remains constant

2.linear momentum remains constant

3.angular velocity remains constant

4.total mechanical energy remains constant

1.1 N

2.4 N

3.2 N

4. 8 N

## Question: `Absolute error of the measurement is`

1.the difference between the individual measurement and the true value of the quantity cubed.

2.the difference between the individual measurement and the true value of the quantit y squared.

3.the difference between two individual measurements and their mean

4.the difference between the individual measurement and the true value of the quantity

## Question: `Atomic and molecular phenomena are dealt with by`

1.Newtonian Mechanics

2.fluid Mechanics

3.applied Mechanics

4.Quantum Mechanics

## Question: `Electron volt is a unit of`

1.charge

2.potential difference

3.energy

4. magnetic force

## Question: `Heliocentric theory proposed by Nicolas Copernicus was`

1.replaced by circular orbits to fit the data better

2.replaced by elliptical orbits to fit the data better

3.replaced by elliptical orbits to fit the taste of new rulers of Italy

4. replaced by parabolic orbits to fit the data better

1. [WFv]

2.[WFv-1]

3.[W-1F -1v]

4.[WF-1v -1]

1.FA2T

2.FAT2

3.FA2T

4.FAT

## Question: `In SI system the fundamental units are`

1.meter, kilogram, second, ampere, Kelvin, mole and candela

2.meter, kilogram, second, coulomb, Kelvin, mole and candela

3.meter, Newton, second, ampere, Kelvin, mole and candela

4.meter, kilogram, second, ampere, Kelvin, mole and lux

## Question: `Inside the nucleus, two protons are held together by a force which overcomes the repulsion. This force is called`

1.gravitational force

2. electrostatic force

3.weak force

4.strong force

## Question: `Inside the nucleus, two protons are held together by a force which overcomes the repulsion. This force is called`

1.gravitational force

2. electrostatic force

3.weak force

4.strong force

## Question: `Just as a new experiment may suggest an alternative theoretical model, a theoretical advance may suggest what to look for in some for in some experiments. Which of the following experiments can be considered to support this claim?`

1.Davisson and Germer Experiment

2.experimental discovery of positron

3. scattering of alpha particle or the gold foil experiment

4.Michelson Morley experiment

## Question: `ML-1T -2 is the dimensional formula of`

1.magnetic induction

2.self-inductance

3.electric potential

4.electric field

## Question: `Newtonian mechanics could not explain`

1.fall of bodies on earth

2.Some of the most basic features of atomic phenomena

3. movement of planets

4.flight of rockets

## Question: `Newtonian mechanics could not explain`

1.fall of bodies on earth

2.Some of the most basic features of atomic phenomena

3. movement of planets

4.flight of rockets

## Question: `One radian is defined to be the angle subtended where the arc length S is exactly equal to the?`

2.diameter of the circle.

3.circumference of the circle.

4. half of radius of the circle.

1.57.7o

2.53.7o

3.59.3o

4.57.3o

## Question: `Out of the basic forces , gravitational force`

1.ranks first in strength

2.ranks second in strength

3.ranks third in strength

4.ranks fourth in strength

## Question: `Physical quantities are`

2. quantities such as length, mass, time, electric current, thermodynamic temperature, amount of substance, and luminous intensity

3. quantities such as pounds, dollars and rupees

4.quantities such as kilos, pounds and gallons

## Question: `Physics is a`

1.Applied Science

2.Mathematical Science

3.Engineering Science

4.Natural Science

## Question: `The angular velocity depends upon the rate of change of the?`

1.Angular acceleration

2.Angular Distance.

3. Angular Displacement

4.torque

1.105 newton/mÂ²

2.106 newton/mÂ²

3.104 newton/mÂ²

4.103 newton/mÂ²

## Question: `The centripetal component of acceleration arises when?`

1.The direction of motion is changed.

2. The direction propagation is changed.

3.The direction of gravity is changed

4.The direction of projectile is changed

1.[LT2]

2.[LT?2]

3.[L2T]

4.[L2T2]

1.T-1

2.LT-1

3.L-1T-1

4. L-1T

1.[LT]

2. [LT-1]

3.[L2T]

4.[L-1T]

1. [M 2L2T]

2.[ML 2T]

3.[ML 2T-2]

4. [ML 2T-1]

1.force

2.pressure

3.work

4.momentum

1.1 s

2. 2 s

3.3 s

4.4 s

## Question: `The frame of reference attached to a satellite of the earth is`

1.an inertial frame

2. an absolute frame at rest with respect to the stars

3. a non â€“ inertial frame

4.a gravitational frame

1.19.6 N

2.20 N

3.30 N

4.40 N

## Question: `The mass of a body which is equal to the ratio of the force acting on a body to the acceleration produced in the body is`

1.the gravitational mass

2.the electromagnetic mass

3.the internal mass

4. the inertial mass

1.Territory

2.Treasury

3.Tractor

4.Trajectory

1. a + 2bt

2.zero

3.2bt

4.at

## Question: `The scientific method is`

1.a prescribed method for investigating phenomena, acquiring new knowledgeâ€¦

2.A procedure for proposing new hypothesis

3.a body of techniques for investigating phenomena, acquiring new knowledgeâ€¦

4.A method for proposing new theories.

## Question: `The total flight requires a time that is?`

1.four times the time necessary to reach the maximum height.

2.thrice the time necessary to reach the maximum height

3.equal to the time necessary to reach the maximum height.

4. twice the time necessary to reach the maximum height

1.64 mÂ³

2. 216 mÂ³

3.512 mÂ³

4.196 mÂ³

## Question: `The word centripetal is derived from two Greek words meaning?`

1.Seeking the situation.

2.Seeking the centre.

3.Touching the centre.

4.Leaving the centre.

1.to know

2.to see

3.to experience

4. to observe

1.1 m/sÂ²

2.1.2 m/sÂ²

3. 1.6 m/sÂ²

4.1.8 m/sÂ²

## Question: `Wave picture of light failed to explain.`

1. the photoelectric effect

2. polarization of light

3. diffraction of light

4.interference of light

1.MT-2A-1

2.MT-1A-2

3.M-1L-2TA-1

4. M-1LTA-2

## Question: `When a body P moves on a circular path, the centripetal acceleration is`

1.directed inwards from P, to the centre of the circle

2.directed tangential to the circumference of the circle, at P

3.directed perpendicular to the planc of the circle, at P

4.directed outward, perpendicular to the circumference of the circle

## Question: `When angular velocity changes with respect to time then?`

1.an angular acceleration is produced

2.a linear acceleration is produced

3. it constitute a couple

4.a linear velocity is produced

## Question: `Which of the following groups have different dimensions?`

1.Potential difference, EMF, voltage

2.Pressure, stress, Youngs modulus

3.Heat, energy, work done

4.Dipole moment, electric flux, electric field

## Question: `Which of the following is a possible final step in applying the scientific method`

1.Formulating a hypothesis

2.Building a theory

3.Analysis of test results

4. Formulation of a question

## Question: `Which of the following is a possible first step in applying the scientific method`

1.Conducting tests

2.Formulating a hypothesis

3.Formulation of a question

4.Building a theory

## Question: `Which of the following pairs has the same dimensions?`

1.specific heat and latent heat

2.lmpulse and momentum

3.surface tension and force

4. moment of lnertia and torque

1.Wb/mÂ²

2.Henry(H)

3.H/mÂ²

4.Weber(Wb)

1.kilogram

2.metre

3.m/s

4.second

1. [ML-1T-2]

2.[MLT-1]

3.[ML-1T-1]

4. [ML-2T-2]

## More MCQS

##### Olete Team
Online Exam TestTop Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on Online Exam Testwebsite is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!