CSS Physics MCQs 2017 (Paper I & II) Solved

Q: Which of the following is a non-conservative force?

Correct Answer: Option C (Frictional force)

Q: The cross product of two vectors A and B points in a direction:

Correct Answer: Option C (Perpendicular to the plane containing A and B)

Q: One radian is equal to approximately:

Correct Answer: Option B (57.3$^circ$)

Q: The moment of inertia of a solid sphere of mass $M$ and radius $R$ about its diameter is:

Correct Answer: Option A (2/5 MR^2)

Q: If the Earth shrinks to half of its present radius (mass remaining constant), the duration of the day would be:

Correct Answer: Option A (6 hours)

Q: The SI unit of viscosity is:

Correct Answer: Option C (Pascal-second)

Q: The escape velocity does not depend on:

Correct Answer: Option C (Mass of the body projected)

Q: Bernoulli’s equation is applicable to points:

Correct Answer: Option A (Along a streamline of ideal fluid flow)

Q: Simple Harmonic Motion (SHM) is a type of:

Correct Answer: Option C (Vibratory or Oscillatory motion)

Q: The speed of sound is maximum in:

Correct Answer: Option C (Solids (Steel))

CSS Physics 2017 MCQs – Paper I

Practice MCQs (20 Questions)

Question 1 of 20

Answered: 0 / 20

Score: 0

Question 1 of 20CSS Physics-i MCQs 2017

Which of the following is a non-conservative force?

AGravitational force

BElectric force

CFrictional force

DElastic spring force

Question 2 of 20CSS Physics-i MCQs 2017

The cross product of two vectors A and B points in a direction:

AParallel to A

BParallel to B

CPerpendicular to the plane containing A and B

DOpposite to A

Question 3 of 20CSS Physics-i MCQs 2017

One radian is equal to approximately:

A45.0$^circ$

B57.3$^circ$

C90.0$^circ$

D180.0$^circ$

Question 4 of 20CSS Physics-i MCQs 2017

The moment of inertia of a solid sphere of mass $M$ and radius $R$ about its diameter is:

A2/5 MR^2

B1/2 MR^2

C2/3 MR^2

DMR^2

Question 5 of 20CSS Physics-i MCQs 2017

If the Earth shrinks to half of its present radius (mass remaining constant), the duration of the day would be:

A6 hours

B12 hours

C48 hours

D24 hours

Question 6 of 20CSS Physics-i MCQs 2017

The SI unit of viscosity is:

APascal

BNewton/meter

CPascal-second

DJoule-second

Question 7 of 20CSS Physics-i MCQs 2017

The escape velocity does not depend on:

AMass of the planet

BRadius of the planet

CMass of the body projected

DGravitational constant

Question 8 of 20CSS Physics-i MCQs 2017

Bernoulli’s equation is applicable to points:

AAlong a streamline of ideal fluid flow

BIn any viscous liquid

CIn turbulent flow

DOnly in static fluids

Question 9 of 20CSS Physics-i MCQs 2017

Simple Harmonic Motion (SHM) is a type of:

ARotational motion

BCircular motion

CVibratory or Oscillatory motion

DRandom motion

Question 10 of 20CSS Physics-i MCQs 2017

The speed of sound is maximum in:

AAir

BWater

CSolids (Steel)

DVacuum

Question 11 of 20CSS Physics-i MCQs 2017

Doppler effect applies to:

ASound waves only

BLight waves only

CBoth Sound and Light waves

DNeither

Question 12 of 20CSS Physics-i MCQs 2017

In a Michelson Interferometer, if the movable mirror is moved by a distance λ/4, the path difference generated is:

Aλ/4

Bλ/2

Cλ

D2λ

Question 13 of 20CSS Physics-i MCQs 2017

According to the First Law of Thermodynamics:

AQ = ΔU + W

BW = Q + ΔU

CΔU = Q + W

DQ = W - ΔU

Question 14 of 20CSS Physics-i MCQs 2017

Entropy is a measure of:

AInternal energy

BDisorder of a system

CHeat capacity

DWork done

Question 15 of 20CSS Physics-i MCQs 2017

The efficiency of a petrol engine is usually:

AHigher than a diesel engine

BLower than a diesel engine

CEqual to a Carnot engine

D100%

Question 16 of 20CSS Physics-i MCQs 2017

According to Einstein’s Special Theory of Relativity, moving clocks run:

AFaster

BSlower (Time Dilation)

CBackwards

DAt the same rate

Question 17 of 20CSS Physics-i MCQs 2017

The relativistic mass 𝑚 of a particle moving with velocity $v$ is given by:

A𝑚 = 𝑚0 /sqrt 1 - v^2/c^2

B𝑚 = 𝑚0 sqrt 1 - v^2/c^2

C𝑚 = 𝑚0 sqrt 1 - v/c

D𝑚 = 𝑚0

Question 18 of 20CSS Physics-i MCQs 2017

Bragg’s Law for X-ray diffraction is:

Ad sin theta = nλ

B2d sin theta = nλ

Cd cos theta = nλ

Dn sin theta = 2d

Question 19 of 20CSS Physics-i MCQs 2017

Light from the sun reaches the earth in approximately:

A5 minutes

B8 minutes 20 seconds

C10 minutes

D1 second

Question 20 of 20CSS Physics-i MCQs 2017

Which color of light deviates the most when passing through a prism?

ARed

BGreen

CViolet

DYellow

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CSS Physics 2017 MCQs – Paper II

Practice MCQs (20 Questions)

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Answered: 0 / 20

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Question 1 of 20CSS Physics-ii MCQs 2017

The SI unit of Magnetic Flux is:

ATesla

BWeber

CGauss

DHenry

Question 2 of 20CSS Physics-ii MCQs 2017

Gauss’s Law for magnetism states that the net magnetic flux through any closed surface is:

Aμ_0

BInfinite

CZero

Dq epsilon_0

Question 3 of 20CSS Physics-ii MCQs 2017

The drift velocity of electrons in a conductor is of the order of:

A10^4 m/s (mm/s)

B10^6 m/s

CSpeed of light

D10^3 m/s

Question 4 of 20CSS Physics-ii MCQs 2017

Kirchhoff’s Voltage Law (KVL) is a manifestation of the conservation of:

ACharge

BEnergy

CMomentum

DMass

Question 5 of 20CSS Physics-ii MCQs 2017

A transformer is used to change:

APower

BFrequency

CVoltage

DResistance

Question 6 of 20CSS Physics-ii MCQs 2017

The impedance ($Z$) of an RLC series circuit at resonance is equal to:

AR (Resistance)

BX_L

CX_C

DZero

Question 7 of 20CSS Physics-ii MCQs 2017

In a p-n junction diode, the depletion region is formed due to:

ADrift of carriers

BDiffusion of charge carriers

CExternal voltage

DHeating

Question 8 of 20CSS Physics-ii MCQs 2017

The output of a NAND gate is LOW (0) only when:

AAll inputs are LOW

BAny input is LOW

CAll inputs are HIGH

DAny input is HIGH

Question 9 of 20CSS Physics-ii MCQs 2017

The process of adding impurities to a pure semiconductor is called:

AMixing

BDoping

CDiffusing

DRectifying

Question 10 of 20CSS Physics-ii MCQs 2017

The common-emitter current gain $beta$ is related to $alpha$ by:

Aβ= α+ 1

Bβ = α /(1 - α)

Cβ = 1 - α

Dβ = α

Question 11 of 20CSS Physics-ii MCQs 2017

Photoelectric effect establishes that light:

ATravels in waves

BConsists of energy packets (photons)

CIs a magnetic wave

DIs polarized

Question 12 of 20CSS Physics-ii MCQs 2017

The minimum energy required to remove an electron from a metal surface is called:

AStopping potential

BKinetic energy

CWork Function

DThreshold frequency

Question 13 of 20CSS Physics-ii MCQs 2017

Compton shift depends on:

AThe material of the target

BThe angle of scattering

CIntensity of radiation

DFrequency of radiation

Question 14 of 20CSS Physics-ii MCQs 2017

The half-life of a radioactive element depends on:

AAmount of the element

BTemperature

CPressure

DNature of the element (Disintegration constant)

Question 15 of 20CSS Physics-ii MCQs 2017

Which of the following particles has the highest penetrating power?

AAlpha particles

BBeta particles

CGamma rays

DNeutrons

Question 16 of 20CSS Physics-ii MCQs 2017

Energy in the sun is produced by:

ANuclear Fission

BNuclear Fusion

CChemical Reaction

DCombustion

Question 17 of 20CSS Physics-ii MCQs 2017

1 Curie is equal to:

A3.7 *10^10 disintegrations per second

B1 disintegration per second

C10^6 disintegrations per second

D3 * 10^8m/s

Question 18 of 20CSS Physics-ii MCQs 2017

Heisenberg Uncertainty Principle states that it is impossible to measure simultaneously with accuracy both:

AMass and Energy

BPosition and Momentum

CCharge and Velocity

DTime and Mass

Question 19 of 20CSS Physics-ii MCQs 2017

An electron volt (eV) is a unit of:

APotential difference

BEnergy

CCharge

DPower

Question 20 of 20CSS Physics-ii MCQs 2017

In a Full Wave Rectifier, the ripple factor is:

A1.21

B0.48

C0.0

D1.0

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CSS Physics 2017 MCQs – Paper I

Practice MCQs (20 Questions)

Which of the following is a non-conservative force?

The cross product of two vectors A and B points in a direction:

One radian is equal to approximately:

The moment of inertia of a solid sphere of mass $M$ and radius $R$ about its diameter is:

If the Earth shrinks to half of its present radius (mass remaining constant), the duration of the day would be:

The SI unit of viscosity is:

The escape velocity does not depend on:

Bernoulli’s equation is applicable to points:

Simple Harmonic Motion (SHM) is a type of:

The speed of sound is maximum in:

Doppler effect applies to:

In a Michelson Interferometer, if the movable mirror is moved by a distance λ/4, the path difference generated is:

According to the First Law of Thermodynamics:

Entropy is a measure of:

The efficiency of a petrol engine is usually:

According to Einstein’s Special Theory of Relativity, moving clocks run:

The relativistic mass 𝑚 of a particle moving with velocity $v$ is given by:

Bragg’s Law for X-ray diffraction is:

Light from the sun reaches the earth in approximately:

Which color of light deviates the most when passing through a prism?

Practice Test Completed!

CSS Physics 2017 MCQs – Paper II

Practice MCQs (20 Questions)

The SI unit of Magnetic Flux is:

Gauss’s Law for magnetism states that the net magnetic flux through any closed surface is:

The drift velocity of electrons in a conductor is of the order of:

Kirchhoff’s Voltage Law (KVL) is a manifestation of the conservation of:

A transformer is used to change:

The impedance ($Z$) of an RLC series circuit at resonance is equal to:

In a p-n junction diode, the depletion region is formed due to:

The output of a NAND gate is LOW (0) only when:

The process of adding impurities to a pure semiconductor is called:

The common-emitter current gain $beta$ is related to $alpha$ by:

Photoelectric effect establishes that light:

The minimum energy required to remove an electron from a metal surface is called:

Compton shift depends on:

The half-life of a radioactive element depends on:

Which of the following particles has the highest penetrating power?

Energy in the sun is produced by:

1 Curie is equal to:

Heisenberg Uncertainty Principle states that it is impossible to measure simultaneously with accuracy both:

An electron volt (eV) is a unit of:

In a Full Wave Rectifier, the ripple factor is:

Practice Test Completed!

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