CSS Physics MCQs 2024 (Paper I & II) Solved

Q: Moment of inertia of solid sphere is:

Correct Answer: Option A (2/3 Mr²)

Q: Radial component of velocity for a particle moving in a circular path is:

Correct Answer: Option A (Constant)

Q: A body is thrown vertically upwards from the ground with a speed of 980 cm/sec. It will rise to a height of:

Correct Answer: Option A (980 cm)

Q: Optically active crystals rotate the:

Correct Answer: Option A (Vibrating plane)

Q: A sound source of frequency 600 Hz is moving towards an observer with velocity 20 m/s. The speed of sound is 340 m/s. The frequency herd by observer will be :

Correct Answer: Option B (63.5 Hz)

Q: When the movable mirror of a Michaelson Interferometer is shifted through 0.0589 mm, 200 fringes cross the field(D) What is the wavelength of the light?

Correct Answer: Option C (4965 Å)

Q: The frequency of 2nd pendulum is:

Correct Answer: Option B (2 Hz)

Q: A skater moves with a constant velocity of 12km/s. If her momentum is 600kgm/s, what is its mass?

Correct Answer: Option C (50kg)

Q: The escape velocity from the surface of the earth is approximately equal to:

Correct Answer: Option A (9.81 km/sec)

Q: The value of relative permittivity for all the dielectrics is:

Correct Answer: Option D (Greater than unity)

CSS Physics 2024 MCQs – Paper I

Practice MCQs (20 Questions)

Question 1 of 20

Answered: 0 / 20

Score: 0

Question 1 of 20CSS Physics-i MCQs 2024

What is the magnitude of the vector, 12i-8j-24k?

A18

B28

C38

D48

Question 2 of 20CSS Physics-i MCQs 2024

Moment of inertia of solid sphere is:

A2/3 Mr²

B½ Mr²

C2/5 Mr²

DNone of these

Question 3 of 20CSS Physics-i MCQs 2024

Radial component of velocity for a particle moving in a circular path is:

AConstant

BRadius itself

CVariable

DZero

Question 4 of 20CSS Physics-i MCQs 2024

The linear thermal coefficient of a solid is less than its volume thermal expansion coefficient by a factor of:

A3/2

Question 5 of 20CSS Physics-i MCQs 2024

A body is thrown vertically upwards from the ground with a speed of 980 cm/sec. It will rise to a height of:

A980 cm

B490 cm

C49 cm

DNone of these

Question 6 of 20CSS Physics-i MCQs 2024

Optically active crystals rotate the:

AVibrating plane

BInterference plane

CPolarization plane

DDiffraction plane

Question 7 of 20CSS Physics-i MCQs 2024

A sound source of frequency 600 Hz is moving towards an observer with velocity 20 m/s. The speed of sound is 340 m/s. The frequency herd by observer will be :

A30 Hz

B63.5 Hz

C637.5 Hz

DNone of these

Question 8 of 20CSS Physics-i MCQs 2024

A system consisting of two particles moves on a plane. Then the degree of freedom is:

Question 9 of 20CSS Physics-i MCQs 2024

Projection of vector A in the direction of x-axis is represented by the angle of:

ACos

BSin

CTan

DNone of these

Question 10 of 20CSS Physics-i MCQs 2024

When the movable mirror of a Michaelson Interferometer is shifted through 0.0589 mm, 200 fringes cross the field(D) What is the wavelength of the light?

A5890 Å

B5245 Å

C4965 Å

DNone of these

Question 11 of 20CSS Physics-i MCQs 2024

The frequency of 2nd pendulum is:

A1.5 Hz

B2 Hz

C0.5 Hz

D1 Hz

Question 12 of 20CSS Physics-i MCQs 2024

A skater moves with a constant velocity of 12km/s. If her momentum is 600kgm/s, what is its mass?

A72kg

B0.05kg

C50kg

D46kg

Question 13 of 20CSS Physics-i MCQs 2024

The escape velocity from the surface of the earth is approximately equal to:

A9.81 km/sec

B11.2 km/sec

C14 km/sec

DNone of these

Question 14 of 20CSS Physics-i MCQs 2024

The value of relative permittivity for all the dielectrics is:

ALess than unity

BZero

CEqual to unity

DGreater than unity

Question 15 of 20CSS Physics-i MCQs 2024

When travelling wave is a sin or cos function of (x+Vt) is called:

APlane progressive wave

BNon-harmonic wave

CWave function

DNone of these

Question 16 of 20CSS Physics-i MCQs 2024

A particle on the trough of a wave at any instant will come to the mean position after a time:

AT/2

BT/4

D2T

Question 17 of 20CSS Physics-i MCQs 2024

The efficiency of a heat engine working between the freezing point and boiling point of water is:

A6.25%

B0%

C26.8%

D100%

Question 18 of 20CSS Physics-i MCQs 2024

Wavelength of an incident light when it is incident normally on a diffraction grating, having 3000 lines per centimeter and angular separation of 10° is:

A500 nm

B650 nm

C580 nm

D600 nm

Question 19 of 20CSS Physics-i MCQs 2024

Which of the following have highest value of surface tension?

AWater

BMercury

CMilk

DOil

Question 20 of 20CSS Physics-i MCQs 2024

The dimensions of work are:

AMT²

BMLT²

CM²LT²

DMLT⁻²

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CSS Physics 2024 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 2024

A Gaussian surface in the form of a cylinder of radius & immersed in a uniform electric field with the cylinder axis parallel to the field. What is the flux of the electric field through this closed surface?

AZero

BEA

C2EA

DNone of these

Question 2 of 20CSS Physics-ii MCQs 2024

Differential form of Gauss's law in magneto statics is:

Adiv B μο

Bdiv B-0

Cdiv B-dB/dT

DNone of these

Question 3 of 20CSS Physics-ii MCQs 2024

Which of the following is the correct expression for the group velocity?

Adω/dE

BdE/dλ

Cω/k

DNone of these

Question 4 of 20CSS Physics-ii MCQs 2024

The Eigen value of a particle in a box is:

AL/2

B2/L

CL/2

DNone of these

Question 5 of 20CSS Physics-ii MCQs 2024

The probability of finding an electron is uniform in every direction is in which orbital?

DNone of these

Question 6 of 20CSS Physics-ii MCQs 2024

The degeneracy of the first excited state (or a state with symmetry permutation) for a particle in a three-dimensional cubic box of length L is typically:

DNone of these

Question 7 of 20CSS Physics-ii MCQs 2024

In an electromagnetic wave in free space, the root mean square value of the electric field is 6 V/m. The peak value of the magnetic field is:

A2.83 x 10T

B1.51 x 10T

C0.80 x 10T

DNone of these

Question 8 of 20CSS Physics-ii MCQs 2024

An alpha particle having energy 5MeV entering the proportional counter with capacity of 25 pf. The ionization potential will be ~ 15 eV. The resultant pulse height will be close to:

A2.1 mV

B4.3 mV

C6.3 mV

DNone of these

Question 9 of 20CSS Physics-ii MCQs 2024

A parallel plate capacitor is charged by connection to a battery. If the battery is disconnected and the separation between the plates is increased, what will happen to the charge on the capacitor and the voltage across it?

ABoth increase

BThe charge increases and the voltage decreases

CThe charge remains fixed and the voltage increases

DNone of these

Question 10 of 20CSS Physics-ii MCQs 2024

A hollow metal sphere of radius R is positively charged. Of the following distances from the centre of the sphere, which location will have the greatest electric field strength?

A0 (centre of the sphere)

B2R

C3R/2

DNone of these

Question 11 of 20CSS Physics-ii MCQs 2024

Two parallel conducting plates are connected to a constant voltage source. The magnitude of the electric field between the plates is 2,000 N/C. If the voltage is doubled and the distance between the plates is reduced to 1/5 the original distance, the magnitude of the new electric field is:

A1,600 N/C

B2,400 N/C

C20,000 N/C

DNone of these

Question 12 of 20CSS Physics-ii MCQs 2024

An isolated capacitor with air between its plates has a potential difference Vo and a charge Q. After the space between the plates is filled with oil, the difference in potential is V and the charge is Q. Which of the following pairs of relationships is correct?

AQQo and V > Vo

BQQo and V < Vo

CQQo and V = Vo

DNone of these

Question 13 of 20CSS Physics-ii MCQs 2024

A positive charge of 3.0 × 10 C is placed in an upward directed uniform electric field of 4.0 × 10°N/C. When the charge is moved 0.5 meter upward, the work done by the electric force on the charge is:

A6×10 J

B12 × 10 J

C2 x 10 J

DNone of these

Question 14 of 20CSS Physics-ii MCQs 2024

A conducting sphere of radius R carries a charge Q. Another conducting sphere has a radius R/2 but carries the same charge. The spheres are far apart. The ratio of the electric field near the surface of the smaller sphere to the field near the surface of the larger sphere is most nearly to:

A1/2

DNone of these

Question 15 of 20CSS Physics-ii MCQs 2024

If the only force acting on an electron is due to a uniform electric field, the electron moves with constant:

AAcceleration in the direction opposite to that of the field

BSpeed in a direction opposite to that of the field

CAcceleration in the direction of the field

DSpeed in the direction of the field

Question 16 of 20CSS Physics-ii MCQs 2024

An ion with charge q, mass m, and speed v enters a magnetic field B and is deflected into a path with a radius of curvature R. If a second ion has speed 2v, while m, q, and B are unchanged, what will be the radius of the second ion's path?

A4R

B2R

CR/2

DNone of these

Question 17 of 20CSS Physics-ii MCQs 2024

The Ampere law is based on which theorem?

AGreen's theorem

BGauss divergence theorem

CStoke's theorem

DNone of these

Question 18 of 20CSS Physics-ii MCQs 2024

(Added) In the Compton effect, the shift in wavelength ($Delta lambda$) is maximum when the scattering angle is:

A0°

B45°

C90°

D180°

Question 19 of 20CSS Physics-ii MCQs 2024

(Added) Which of the following is used as a moderator in a nuclear reactor?

ACadmium

BHeavy Water (D_2O)

CUranium

DBoron

Question 20 of 20CSS Physics-ii MCQs 2024

(Added) The logic gate that gives a High output (1) only when both inputs are different is:

AAND

BOR

CXOR (Exclusive OR)

DNAND

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CSS Physics 2024 MCQs – Paper I

Practice MCQs (20 Questions)

What is the magnitude of the vector, 12i-8j-24k?

Moment of inertia of solid sphere is:

Radial component of velocity for a particle moving in a circular path is:

The linear thermal coefficient of a solid is less than its volume thermal expansion coefficient by a factor of:

A body is thrown vertically upwards from the ground with a speed of 980 cm/sec. It will rise to a height of:

Optically active crystals rotate the:

A sound source of frequency 600 Hz is moving towards an observer with velocity 20 m/s. The speed of sound is 340 m/s. The frequency herd by observer will be :

A system consisting of two particles moves on a plane. Then the degree of freedom is:

Projection of vector A in the direction of x-axis is represented by the angle of:

When the movable mirror of a Michaelson Interferometer is shifted through 0.0589 mm, 200 fringes cross the field(D) What is the wavelength of the light?

The frequency of 2nd pendulum is:

A skater moves with a constant velocity of 12km/s. If her momentum is 600kgm/s, what is its mass?

The escape velocity from the surface of the earth is approximately equal to:

The value of relative permittivity for all the dielectrics is:

When travelling wave is a sin or cos function of (x+Vt) is called:

A particle on the trough of a wave at any instant will come to the mean position after a time:

The efficiency of a heat engine working between the freezing point and boiling point of water is:

Wavelength of an incident light when it is incident normally on a diffraction grating, having 3000 lines per centimeter and angular separation of 10° is:

Which of the following have highest value of surface tension?

The dimensions of work are:

Practice Test Completed!

CSS Physics 2024 MCQs – Paper II

Practice MCQs (20 Questions)

A Gaussian surface in the form of a cylinder of radius & immersed in a uniform electric field with the cylinder axis parallel to the field. What is the flux of the electric field through this closed surface?

Differential form of Gauss's law in magneto statics is:

Which of the following is the correct expression for the group velocity?

The Eigen value of a particle in a box is:

The probability of finding an electron is uniform in every direction is in which orbital?

The degeneracy of the first excited state (or a state with symmetry permutation) for a particle in a three-dimensional cubic box of length L is typically:

In an electromagnetic wave in free space, the root mean square value of the electric field is 6 V/m. The peak value of the magnetic field is:

An alpha particle having energy 5MeV entering the proportional counter with capacity of 25 pf. The ionization potential will be ~ 15 eV. The resultant pulse height will be close to:

A parallel plate capacitor is charged by connection to a battery. If the battery is disconnected and the separation between the plates is increased, what will happen to the charge on the capacitor and the voltage across it?

A hollow metal sphere of radius R is positively charged. Of the following distances from the centre of the sphere, which location will have the greatest electric field strength?

Two parallel conducting plates are connected to a constant voltage source. The magnitude of the electric field between the plates is 2,000 N/C. If the voltage is doubled and the distance between the plates is reduced to 1/5 the original distance, the magnitude of the new electric field is:

An isolated capacitor with air between its plates has a potential difference Vo and a charge Q. After the space between the plates is filled with oil, the difference in potential is V and the charge is Q. Which of the following pairs of relationships is correct?

A positive charge of 3.0 × 10 C is placed in an upward directed uniform electric field of 4.0 × 10°N/C. When the charge is moved 0.5 meter upward, the work done by the electric force on the charge is:

A conducting sphere of radius R carries a charge Q. Another conducting sphere has a radius R/2 but carries the same charge. The spheres are far apart. The ratio of the electric field near the surface of the smaller sphere to the field near the surface of the larger sphere is most nearly to:

If the only force acting on an electron is due to a uniform electric field, the electron moves with constant:

An ion with charge q, mass m, and speed v enters a magnetic field B and is deflected into a path with a radius of curvature R. If a second ion has speed 2v, while m, q, and B are unchanged, what will be the radius of the second ion's path?

The Ampere law is based on which theorem?

(Added) In the Compton effect, the shift in wavelength ($Delta lambda$) is maximum when the scattering angle is:

(Added) Which of the following is used as a moderator in a nuclear reactor?

(Added) The logic gate that gives a High output (1) only when both inputs are different is:

Practice Test Completed!

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