CSS Physics MCQs 2018 (Paper I & II) Solved

Q: The scalar triple product of three vectors A, B, C represents:

Correct Answer: Option B (Volume of a parallelepiped)

Q: If the curl of a vector field is zero, the field is said to be:

Correct Answer: Option B (Conservative (Irrotational))

Q: The Coriolis force is a pseudo force caused by:

Correct Answer: Option B (Rotation of the Earth)

Q: The rotational kinetic energy of a hoop (ring) of mass M and radius R rolling without slipping is:

Correct Answer: Option B (MV^2)

Q: A geostationary satellite orbits the Earth at a height of approximately:

Correct Answer: Option C (36,000 km)

Q: According to the Equation of Continuity A_1V_1 = A_2V_2, if the cross-sectional area of a pipe decreases, the velocity of the fluid:

Correct Answer: Option A (Increases)

Q: Terminal velocity is attained when:

Correct Answer: Option B (Drag force equals the weight of the body)

Q: The value of Gamma γ = C_p / C_v$) for a monatomic gas is:

Correct Answer: Option B (1.67)

Q: In a Carnot engine, heat is absorbed from the source at:

Correct Answer: Option A (Constant Temperature (Isothermal expansion))

Q: The triple point of water is at:

Correct Answer: Option D (All of these)

CSS Physics 2018 MCQs – Paper I

Practice MCQs (20 Questions)

Question 1 of 20

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Question 1 of 20CSS Physics-i MCQs 2018

The scalar triple product of three vectors A, B, C represents:

AArea of a triangle

BVolume of a parallelepiped

CVolume of a tetrahedron

DNone of these

Question 2 of 20CSS Physics-i MCQs 2018

If the curl of a vector field is zero, the field is said to be:

ASolenoidal

BConservative (Irrotational)

CRotational

DDivergent

Question 3 of 20CSS Physics-i MCQs 2018

The Coriolis force is a pseudo force caused by:

AGravitational pull

BRotation of the Earth

CWind pressure

DTidal waves

Question 4 of 20CSS Physics-i MCQs 2018

The rotational kinetic energy of a hoop (ring) of mass M and radius R rolling without slipping is:

A1/2 MV^2

BMV^2

C3/4 MV^2

D1/4 MV^2

Question 5 of 20CSS Physics-i MCQs 2018

A geostationary satellite orbits the Earth at a height of approximately:

A360 km

B6,400 km

C36,000 km

D400,000 km

Question 6 of 20CSS Physics-i MCQs 2018

According to the Equation of Continuity A_1V_1 = A_2V_2, if the cross-sectional area of a pipe decreases, the velocity of the fluid:

AIncreases

BDecreases

CRemains constant

DBecomes zero

Question 7 of 20CSS Physics-i MCQs 2018

Terminal velocity is attained when:

AGravity becomes zero

BDrag force equals the weight of the body

CDrag force is zero

DAcceleration is maximum

Question 8 of 20CSS Physics-i MCQs 2018

The value of Gamma γ = C_p / C_v$) for a monatomic gas is:

A1.40

B1.67

C1.33

D1.00

Question 9 of 20CSS Physics-i MCQs 2018

In a Carnot engine, heat is absorbed from the source at:

AConstant Temperature (Isothermal expansion)

BConstant Pressure

CConstant Volume

DConstant Entropy

Question 10 of 20CSS Physics-i MCQs 2018

The triple point of water is at:

A273.16 K

B0.01°C

C4.58 mm Hg pressure

DAll of these

Question 11 of 20CSS Physics-i MCQs 2018

Entropy has the units of:

AJoule

BJoule/Kelvin (J/K)

CKelvin/Joule

DWatt

Question 12 of 20CSS Physics-i MCQs 2018

The speed of sound in hydrogen is _____ than in oxygen at the same temperature.

A4 times greater

BTimes greater

CSame

D4 times less

Question 13 of 20CSS Physics-i MCQs 2018

Beats are produced due to:

ADiffraction

BInterference of waves with slightly different frequencies

CPolarization

DRefraction

Question 14 of 20CSS Physics-i MCQs 2018

Length contraction happens only in the direction:

APerpendicular to motion

BParallel to the direction of motion

COpposite to motion

DAny direction

Question 15 of 20CSS Physics-i MCQs 2018

If an object moves with the speed of light, its length becomes:

AInfinite

BZero

CDouble

DUnchanged

Question 16 of 20CSS Physics-i MCQs 2018

The dimension of angular momentum is:

A[MLT^1]

B[ML^2T^1]

C[ML^2T^2]

D[M^0L^0T^0]

Question 17 of 20CSS Physics-i MCQs 2018

Which of the following is NOT a unit of pressure?

ATorr

BPascal

CBar

DNewton

Question 18 of 20CSS Physics-i MCQs 2018

The fringe width in Young’s Double Slit Experiment increases if:

ADistance between slits d is increased

BWavelength λ is increased

CDistance to screen D is decreased

DFrequency is increased

Question 19 of 20CSS Physics-i MCQs 2018

Polarization of light by reflection is maximum when the angle of incidence is:

ABrewster’s Angle

BCritical Angle

C45 Degrees

D90 Degrees

Question 20 of 20CSS Physics-i MCQs 2018

A body executing SHM has maximum acceleration at:

AMean position

BExtreme position

CHalfway point

DNone of these

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CSS Physics 2018 MCQs – Paper II

Practice MCQs (20 Questions)

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Question 1 of 20CSS Physics-ii MCQs 2018

The unit of capacitance is Farad, which is equal to:

ACoulomb/Volt

BJoule/Coulomb

CVolt/Ampere

DNewton/Meter

Question 2 of 20CSS Physics-ii MCQs 2018

The electric field lines of force:

ACan cross each other

BNever cross each other

CAre closed loops

DExist inside a conductor

Question 3 of 20CSS Physics-ii MCQs 2018

Biot-Savart Law is analogous to _____ in electrostatics.

AGauss’s Law

BCoulomb’s Law

CAmpere’s Law

DFaraday’s Law

Question 4 of 20CSS Physics-ii MCQs 2018

The path of a charged particle moving perpendicular to a uniform magnetic field is:

AStraight line

BCircular

CParabolic

DElliptical

Question 5 of 20CSS Physics-ii MCQs 2018

A step-up transformer increases voltage by decreasing:

APower

BCurrent

CResistance

DFrequency

Question 6 of 20CSS Physics-ii MCQs 2018

The reactance of an inductor X_L increases with

AIncreasing frequency

BDecreasing frequency

CDecreasing inductance

DIt remains constant

Question 7 of 20CSS Physics-ii MCQs 2018

In an AC circuit, power is consumed only in:

AInductance

BCapacitance

CResistance

DAll of them

Question 8 of 20CSS Physics-ii MCQs 2018

The potential barrier for Silicon pn-junction is approximately:

A0.3 V

B0.7 V

C1.1 V

D0.1 V

Question 9 of 20CSS Physics-ii MCQs 2018

An Operational Amplifier (Op-Amp 741) usually has:

A3 pins

B5 pins

C8 pins

D14 pins

Question 10 of 20CSS Physics-ii MCQs 2018

The emitter of a transistor is:

AHeavily doped

BLightly doped

CModerately doped

DNot doped

Question 11 of 20CSS Physics-ii MCQs 2018

X-rays are electromagnetic waves of:

ALow frequency

BShort wavelength (High energy)

CLong wavelength

DSame as radio waves

Question 12 of 20CSS Physics-ii MCQs 2018

The concept of matter waves (Wave-Particle Duality) was proposed by:

AEinstein

BDe Broglie

CBohr

DPlanck

Question 13 of 20CSS Physics-ii MCQs 2018

In the Photoelectric effect, the kinetic energy of emitted electrons depends on:

AIntensity of light

BFrequency of incident light

CTime of exposure

DDistance of source

Question 14 of 20CSS Physics-ii MCQs 2018

The uncertainty principle is significant only for:

AMacroscopic bodies

BMicroscopic particles (electrons, etc.)

CStationary bodies

DCharged particles only

Question 15 of 20CSS Physics-ii MCQs 2018

Isotopes of an element have the same number of:

ANeutrons

BNucleons

CProtons

DPositrons

Question 16 of 20CSS Physics-ii MCQs 2018

The phenomenon of radioactivity was discovered by:

AHenri Becquerel

BMarie Curie

CRutherford

DChadwick

Question 17 of 20CSS Physics-ii MCQs 2018

Which force is responsible for holding the nucleus together?

AElectrostatic force

BGravitational force

CStrong Nuclear Force

DWeak Nuclear Force

Question 18 of 20CSS Physics-ii MCQs 2018

Quarks are the elementary particles that make up:

AElectrons

BProtons and Neutrons (Hadrons)

CPhotons

DNeutrinos

Question 19 of 20CSS Physics-ii MCQs 2018

A positron is the antiparticle of:

AProton

BElectron

CNeutron

DAlpha particle

Question 20 of 20CSS Physics-ii MCQs 2018

The logic gate that gives a HIGH output only if inputs are different is:

AAND

BOR

CXOR (Exclusive OR)

DNAND

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CSS Physics 2018 MCQs – Paper I

Practice MCQs (20 Questions)

The scalar triple product of three vectors A, B, C represents:

If the curl of a vector field is zero, the field is said to be:

The Coriolis force is a pseudo force caused by:

The rotational kinetic energy of a hoop (ring) of mass M and radius R rolling without slipping is:

A geostationary satellite orbits the Earth at a height of approximately:

According to the Equation of Continuity A_1V_1 = A_2V_2, if the cross-sectional area of a pipe decreases, the velocity of the fluid:

Terminal velocity is attained when:

The value of Gamma γ = C_p / C_v$) for a monatomic gas is:

In a Carnot engine, heat is absorbed from the source at:

The triple point of water is at:

Entropy has the units of:

The speed of sound in hydrogen is _____ than in oxygen at the same temperature.

Beats are produced due to:

Length contraction happens only in the direction:

If an object moves with the speed of light, its length becomes:

The dimension of angular momentum is:

Which of the following is NOT a unit of pressure?

The fringe width in Young’s Double Slit Experiment increases if:

Polarization of light by reflection is maximum when the angle of incidence is:

A body executing SHM has maximum acceleration at:

Practice Test Completed!

CSS Physics 2018 MCQs – Paper II

Practice MCQs (20 Questions)

The unit of capacitance is Farad, which is equal to:

The electric field lines of force:

Biot-Savart Law is analogous to _____ in electrostatics.

The path of a charged particle moving perpendicular to a uniform magnetic field is:

A step-up transformer increases voltage by decreasing:

The reactance of an inductor X_L increases with

In an AC circuit, power is consumed only in:

The potential barrier for Silicon pn-junction is approximately:

An Operational Amplifier (Op-Amp 741) usually has:

The emitter of a transistor is:

X-rays are electromagnetic waves of:

The concept of matter waves (Wave-Particle Duality) was proposed by:

In the Photoelectric effect, the kinetic energy of emitted electrons depends on:

The uncertainty principle is significant only for:

Isotopes of an element have the same number of:

The phenomenon of radioactivity was discovered by:

Which force is responsible for holding the nucleus together?

Quarks are the elementary particles that make up:

A positron is the antiparticle of:

The logic gate that gives a HIGH output only if inputs are different is:

Practice Test Completed!

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