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 - MCB that used in electric circuit to cut off the electric supply in case of short circuit works on …

A - Magnetic effect of the current

B - Heating effect of the current

C - Physical effect of the current

D - Chemical effect of the current

Answer : B

Explanation

N/A

Q 2 - Consider the following statements:

1. A compound microscope uses a lens close to the object.

2. The lens used by compound microscope is known as objective lens.

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

Objective lens is used to collect light.

Q 3 - Which among the following waves is used in radar?

A - Gamma waves

B - Radio waves

C - Ultrasonic waves

D - Infrasonic waves

Answer : B

Explanation

Radar is used to detect aircraft, spacecraft, guided missiles, ships, motor vehicles, weather formations, submarines, and terrain.

Q 4 - What is the frequency range of AM radio wave?

A - 535 to 1605 kHz

B - 235 to 1305 kHz

C - 835 to 1605 kHz

D - 535 to 1805 kHz

Answer : A

Explanation

AM stands for Amplitude Modulation.

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 - An orbital period of geostationary satellite is …

A - 48 hours

B - 36 hours

C - 24 hours

D - 12 hours

Answer : C

Explanation

The rotational period of the geostationary satellite is same as of the earth.

Q 7 - Which among the following laws states that when a body is immersed in a fluid, it experiences an upward thrust equal to the weight of the fluid displaced by the body?

A - Second law of Newton

B - Hook’s law

C - Kirchhoff’s law

D - Archimede’s law

Answer : D

Explanation

Archimedes' was the ancient Greek mathematician who had discovered the law of buoyancy.

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.

Answer : B

Explanation

Bats produce ultrasonic waves that guide them to fly in the dark.

Answer : B

Explanation

Atomic watches give the most accurate time.

Q 12 - What is the frequency range of FM radio wave?

A - 88 to 108 MHz

B - 78 to 208 MHz

C - 98 to 300 MHz

D - 108 to 450 MHz

Answer : A

Explanation

N/A

Q 13 - Who had propounded the ‘Dynamic Theory of Gases?’

A - Nobel

B - Maxwell

C - Clausius

D - Kirchhoff

Answer : B

Explanation

The dynamic theory of gases was first stated by Maxwell.

Q 14 - Who among the following has discovered visible radiation?

A - Henry Becqueral

B - W Rontgen

C - Ritter

D - Newton

Answer : D

Explanation

N/A

Q 15 - Which among the following is used to measure electric current?

A - Galvanometer

B - Fathometer

C - Endoscope

D - Electroscope

Answer : A

Explanation

N/A

Q 16 - Consider the following statements:

1. The myopic person uses diverging lens to see the object clearly.

2. The person suffering from hyperopia uses converging lens to see the object clearly.

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 17 - Which among the following is not a vector?

A - Displacement

B - Energy

C - Acceleration

D - Force

Answer : B

Explanation

Energy is a scalar.

Q 18 - Who among the following first discovered the nuclear fusion?

A - Hans Bethe

B - Otto Hahn

C - Fritz Strassmann

D - Lise Meitner

Answer : A

Explanation

In early 1930s, Hans Bethe discovered the nuclear fusion.

Q 19 - Who first invented ‘Electric Motor (DC)?’

A - Seeley

B - Sturgeon

C - Brugnatelli

D - Martagnier

Answer : B

Explanation

The first commutator DC electric motor capable of turning machinery was invented in 1832 by the British scientist William Sturgeon.

Q 20 - Consider the following statements:

1. The satellite revolves around equatorial plane in the direction of the earth’s rotation (west to east) with a period of revolution equal to the time period of rotation of the earth on its own axis, then the satellite appears stationary and hence known as Geo-stationary satellite.

2. The orbit of Geo-stationary satellite is known as stationary orbit.

Choose the correct answer from the codes given below:

A - Only 1

B - Only 2

C - Both

D - Neither 1 nor 2

Answer : A

Explanation

The orbit of Geo-stationary satellite is known as parking orbit.


physics_part2_online_quiz.htm

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