CSS Physics MCQs 2022 (Paper I & II) Solved

Q: The Curl of the Gradient of a scalar function (∇*∇Φ) is always:

Correct Answer: Option D (Zero)

Q: A body is rotating with constant angular velocity. Its angular acceleration is:

Correct Answer: Option C (Zero)

Q: The moment of inertia of a thin rod of mass M and length L about an axis passing through its center and perpendicular to its length is:

Correct Answer: Option A (ML^2 / 12)

Q: If a particle moves in a circle of radius r with constant speed v, its acceleration is directed:

Correct Answer: Option B (Towards the center (Radial))

Q: The work done by the gravitational force over a closed path is:

Correct Answer: Option A (Zero)

Q: Bernoulli's Principle is a consequence of the conservation of:

Correct Answer: Option C (Energy)

Q: The ratio of the speed of escape (v_esc) to the orbital speed (v_orb) near the surface of the earth is:

Correct Answer: Option B (√2 (approx 1.414))

Q: The internal energy of a system in an adiabatic process:

Correct Answer: Option B (Decreases if work is done by the system (Expansion))

Q: The second law of thermodynamics implies that:

Correct Answer: Option B (Efficiency of a heat engine is never 100%)

Q: The velocity of sound is largest in:

Correct Answer: Option C (Steel (Solids))

CSS Physics 2022 MCQs – Paper I

Practice MCQs (20 Questions)

Question 1 of 20

Answered: 0 / 20

Score: 0

Question 1 of 20CSS Physics-i MCQs 2022

The Curl of the Gradient of a scalar function (∇*∇Φ) is always:

AA vector

BUnity

CA scalar

DZero

Question 2 of 20CSS Physics-i MCQs 2022

A body is rotating with constant angular velocity. Its angular acceleration is:

AConstant (Non-zero)

BMaximum

CZero

DVariable

Question 3 of 20CSS Physics-i MCQs 2022

The moment of inertia of a thin rod of mass M and length L about an axis passing through its center and perpendicular to its length is:

AML^2 / 12

BML^2 / 3

CML^2 / 2

DML^2

Question 4 of 20CSS Physics-i MCQs 2022

If a particle moves in a circle of radius r with constant speed v, its acceleration is directed:

ATangent to the circle

BTowards the center (Radial)

CAway from the center

DPerpendicular to the plane

Question 5 of 20CSS Physics-i MCQs 2022

The work done by the gravitational force over a closed path is:

AZero

BMaximum

CMinimum

DNegative

Question 6 of 20CSS Physics-i MCQs 2022

Bernoulli's Principle is a consequence of the conservation of:

AMass

BMomentum

CEnergy

DPressure

Question 7 of 20CSS Physics-i MCQs 2022

The ratio of the speed of escape (v_esc) to the orbital speed (v_orb) near the surface of the earth is:

B√2 (approx 1.414)

D1/ √2

Question 8 of 20CSS Physics-i MCQs 2022

The internal energy of a system in an adiabatic process:

ARemains constant

BDecreases if work is done by the system (Expansion)

CIncreases if work is done by the system

DIs zero

Question 9 of 20CSS Physics-i MCQs 2022

The second law of thermodynamics implies that:

AHeat flows from cold to hot spontaneously

BEfficiency of a heat engine is never 100%

CEnergy is conserved

DEntropy decreases

Question 10 of 20CSS Physics-i MCQs 2022

The velocity of sound is largest in:

AAir

BWater

CSteel (Solids)

DVacuum

Question 11 of 20CSS Physics-i MCQs 2022

When two waves of same frequency travel in opposite directions, they form:

AStationary (Standing) Waves

BBeats

CShock Waves

DInterference

Question 12 of 20CSS Physics-i MCQs 2022

The blue color of the sky is due to:

AReflection

BRefraction

CRayleigh Scattering

DDispersion

Question 13 of 20CSS Physics-i MCQs 2022

In Young's Double Slit Experiment, if the screen is moved away from the slits, the fringe width:

AIncreases

BDecreases

CRemains constant

DBecomes zero

Question 14 of 20CSS Physics-i MCQs 2022

Resolving power of a microscope increases if the wavelength of light used is:

AIncreased

BDecreased

CKept constant

DInfinite

Question 15 of 20CSS Physics-i MCQs 2022

The relativistic kinetic energy is given by:

A(m - m_0)c^2

B1/2 mv^2

Cmc^2

Dm_0c^2

Question 16 of 20CSS Physics-i MCQs 2022

According to the Theory of Relativity, the length of a rod moving with velocity c relative to an observer is:

AInfinite

BZero

CL_0

DDoubled

Question 17 of 20CSS Physics-i MCQs 2022

Which thermodynamic coordinate is constant in an isochoric process?

ATemperature

BPressure

CVolume

DEntropy

Question 18 of 20CSS Physics-i MCQs 2022

The unit of angular momentum is:

AJoule-second (J . s)

BNewton-meter

Ckg . m/s

Drad/s

Question 19 of 20CSS Physics-i MCQs 2022

Water flows through a horizontal pipe. At a point where velocity is high, the pressure is:

AHigh

BLow

CSame

DZero

Question 20 of 20CSS Physics-i MCQs 2022

The dimension of Torque is:

A[MLT^-1]

BML^2T^-2]

C[MLT^-2]

DM^0L^0T^0

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CSS Physics 2022 MCQs – Paper II

Practice MCQs (20 Questions)

Question 1 of 20

Answered: 0 / 20

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Question 1 of 20CSS Physics-ii MCQs 2022

The electric flux through a closed surface containing no charge is:

AInfinite

BZero

CDepends on shape

Dε_0

Question 2 of 20CSS Physics-ii MCQs 2022

The energy stored in a capacitor is given by:

ACV^2

B1/2 CV^2

CQV

D1/2 QC^2

Question 3 of 20CSS Physics-ii MCQs 2022

Lorentz Force is the sum of:

AGravitational and Electric force

BElectric and Magnetic force (F = qE + qv * B)

CMagnetic and Nuclear force

DElectric and Drag force

Question 4 of 20CSS Physics-ii MCQs 2022

Two parallel wires carrying current in the same direction:

AAttract each other

BRepel each other

CDo not exert force

DRotate

Question 5 of 20CSS Physics-ii MCQs 2022

Faraday's Law of Induction states that induced EMF is proportional to:

AMagnetic Flux

BRate of change of Magnetic Flux

CCurrent

DResistance

Question 6 of 20CSS Physics-ii MCQs 2022

he power factor of a pure resistive circuit is:

C0.5

DInfinity

Question 7 of 20CSS Physics-ii MCQs 2022

In an AC circuit, resonance occurs when:

AX_L > X_C

BX_L < X_C

CX_L = X_C

DR = 0

Question 8 of 20CSS Physics-ii MCQs 2022

A rectifier is used to convert:

AAC to DC

BDC to AC

CLow voltage to High

DElectrical energy to Mechanical

Question 9 of 20CSS Physics-ii MCQs 2022

The ripple factor for a full-wave rectifier is:

A1.21

C0.48

Question 10 of 20CSS Physics-ii MCQs 2022

The input resistance of an ideal Op-Amp is:

AZero

BFinite

CInfinite

D1 Ohm

Question 11 of 20CSS Physics-ii MCQs 2022

Which gate is called a "Universal Gate"?

AOR

BAND

CNOR (or NAND)

DNOT

Question 12 of 20CSS Physics-ii MCQs 2022

The photoelectric current depends on:

AFrequency of incident light

BIntensity of incident light

CWork function

DTemperature

Question 13 of 20CSS Physics-ii MCQs 2022

e Broglie wavelength is given by:

Aλ = h/p

Bλ = p/h

Cλ = h * p

Dλ = E/c

Question 14 of 20CSS Physics-ii MCQs 2022

The uncertainty principle relates position and:

AEnergy

BMomentum

CTime

DMass

Question 15 of 20CSS Physics-ii MCQs 2022

Binding Energy per nucleon is a measure of:

AStability of nucleus

BMass of nucleus

CSize of nucleus

DCharge of nucleus

Question 16 of 20CSS Physics-ii MCQs 2022

The process responsible for energy production in the Sun is:

AFission

BFusion of Hydrogen into Helium

CRadioactive decay

DCombustion

Question 17 of 20CSS Physics-ii MCQs 2022

Alpha decay reduces the atomic number (Z) of the parent nucleus by:

Question 18 of 20CSS Physics-ii MCQs 2022

The unit of radioactivity "Becquerel" is equal to:

A1 disintegration per second

B10^6 disintegrations per second

C3.7 * 10^10 disintegrations per second

D1 Curie

Question 19 of 20CSS Physics-ii MCQs 2022

An N-type semiconductor is obtained by doping Silicon with:

ABoron

BAluminum

CPhosphorus (Pentavalent)

DCarbon

Question 20 of 20CSS Physics-ii MCQs 2022

Which particle acts as a force carrier for the Electromagnetic force?

AGluon

BPhoton

CGraviton

DW-Boson

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CSS Physics 2022 MCQs – Paper I

Practice MCQs (20 Questions)

The Curl of the Gradient of a scalar function (∇*∇Φ) is always:

A body is rotating with constant angular velocity. Its angular acceleration is:

The moment of inertia of a thin rod of mass M and length L about an axis passing through its center and perpendicular to its length is:

If a particle moves in a circle of radius r with constant speed v, its acceleration is directed:

The work done by the gravitational force over a closed path is:

Bernoulli's Principle is a consequence of the conservation of:

The ratio of the speed of escape (v_esc) to the orbital speed (v_orb) near the surface of the earth is:

The internal energy of a system in an adiabatic process:

The second law of thermodynamics implies that:

The velocity of sound is largest in:

When two waves of same frequency travel in opposite directions, they form:

The blue color of the sky is due to:

In Young's Double Slit Experiment, if the screen is moved away from the slits, the fringe width:

Resolving power of a microscope increases if the wavelength of light used is:

The relativistic kinetic energy is given by:

According to the Theory of Relativity, the length of a rod moving with velocity c relative to an observer is:

Which thermodynamic coordinate is constant in an isochoric process?

The unit of angular momentum is:

Water flows through a horizontal pipe. At a point where velocity is high, the pressure is:

The dimension of Torque is:

Practice Test Completed!

CSS Physics 2022 MCQs – Paper II

Practice MCQs (20 Questions)

The electric flux through a closed surface containing no charge is:

The energy stored in a capacitor is given by:

Lorentz Force is the sum of:

Two parallel wires carrying current in the same direction:

Faraday's Law of Induction states that induced EMF is proportional to:

he power factor of a pure resistive circuit is:

In an AC circuit, resonance occurs when:

A rectifier is used to convert:

The ripple factor for a full-wave rectifier is:

The input resistance of an ideal Op-Amp is:

Which gate is called a "Universal Gate"?

The photoelectric current depends on:

e Broglie wavelength is given by:

The uncertainty principle relates position and:

Binding Energy per nucleon is a measure of:

The process responsible for energy production in the Sun is:

Alpha decay reduces the atomic number (Z) of the parent nucleus by:

The unit of radioactivity "Becquerel" is equal to:

An N-type semiconductor is obtained by doping Silicon with:

Which particle acts as a force carrier for the Electromagnetic force?

Practice Test Completed!

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