Physics Part 2 Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Physics. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Kepler’s First Law of Planetary Motion is known as …

A - Law of elliptical orbits

B - Laws of areas

C - Law of volume

D - Harmonic laws

Answer : A

Explanation

N/A

Q 2 - If the surface of an object reflects the total incoming white light, then the surface will appear …

A - Transparent

B - Dark Black

C - White

D - Slightly yellow

Answer : C

Explanation

N/A

Q 3 - Which among the following waves possess the highest amount of energy?

A - Gamma rays

B - Radio waves

C - X rays

D - Ultraviolet rays

Answer : A

Explanation

N/A

Q 4 - One square mile is equal to …

A - 2.58 sq. km

B - 2.48 sq. km

C - 2.88 sq. km

D - 3.2 sq. km

Answer : A

Explanation

N/A

Q 5 - Which among the following laws describes the ‘radiant intensity?’

A - Planck's law

B - Wien's displacement law

C - Stefan–Boltzmann law

D - Charles's law

Answer : C

Explanation

N/A

Q 6 - The value of gravity on earth varies because of …

A - Shape of the earth

B - Rotation of the earth

C - Revolution of the earth

D - A & B both

Answer : D

Explanation

As defined by Albert Einstein – “gravity is a consequence of the curvature of space-time caused by the uneven distribution of mass/energy.”

Answer : A

Explanation

Television waves are known as "radio frequencies.”

Q 8 - Which among the following laws correctly defined as “energy can neither be created nor be destroyed. It may be converted from one form to another?”

A - First Law of Thermodynamics

B - Second Law of Thermodynamics

C - Third Law of Thermodynamics

D - Third Law of Newton

Answer : A

Explanation

The first law of thermodynamics is a form of the law of conservation of energy.

Q 9 - Which among the following laws determines the ‘frequency of the emitted radiation?’

A - Planck's law

B - Wien's displacement law

C - Stefan–Boltzmann law

D - Charles's law

Answer : B

Explanation

N/A

Answer : A

Explanation

N/A

Q 11 - Masses of galaxies and stars are usually expressed as …

A - Nebulae mass

B - Solar mass

C - Astronomical mass

D - Star mass

Answer : B

Explanation

N/A

Q 12 - Consider the following statements:

1. The first law of Newton is also known as law of Galileo or law of inertia.

2. Inertia is the property of a body by virtue of which the body opposes change in its initial state of rest or motion with uniform speed on a straight line.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 13 - Consider the following statements:

1. Comparatively, the speed of sound is high in humid air.

2. Comparatively, the speed of sound is less in dry air.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

Speed of sound varies because of the density difference.

Answer : C

Explanation

Anemometer is used in measuring the speed and pressure of wind.

Q 15 - Consider the following statements:

1. The process in which heat gets transferred from one place to other place by the successive vibrations of the particles, is known as conduction.

2. Conduction takes place in solid medium.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

In conduction, actually, particles do not move.

Q 16 - Which among the following waves possess the longest wavelengths?

A - Gamma rays

B - Radio waves

C - X rays

D - Ultraviolet rays

Answer : B

Explanation

N/A

Q 17 - A green paper appears …………. in yellow light.

A - Red

B - Green

C - Yellow

D - Black

Answer : D

Explanation

N/A

Q 18 - Which among the following has the maximum specific heat capacity?

A - Water

B - Ice

C - Iron

D - Lead

Answer : A

Explanation

Water has about 4200 J/kgK specific heat capacity.

Q 19 - Consider the following statements:

1. The amount of heat required to raise the temperature of unit mass of substance through 10, is known as specific heat capacity.

2. The SI unit of specific heat capacity is Joul/kilogram Kelvin (J/kg.k).

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : C

Explanation

N/A

Q 20 - Who had invented ‘Optical Fiber?’

A - Narinder Kapany

B - Cohan

C - Claude

D - Damadian

Answer : A

Explanation

Narinder Singh Kapany had first invented the optical fiber in 1950s.

physics_part2_online_quiz.htm
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