Physics Part 2 Online Quiz



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

Answer : C

Explanation

N/A

Q 2 - The mirages that we see during the summer season, is because of

A - Reflection

B - Diffraction

C - Refraction

D - Temperature difference in the air

Answer : D

Explanation

Mirage is an optical phenomenon.

Q 3 - Who had invented Radar?

A - Taylor

B - Schick

C - Macintosh

D - Heinrich Hertz

Answer : D

Explanation

It was Heinrich Hertz who had first noticed the radar system; however, later (in 1922), Albert H. Taylor and Leo C. Young at the U.S. Naval Aircraft Radio Laboratory had invented the modern radar system.

Answer : C

Explanation

N/A

Answer : C

Explanation

White color reflects all the solar radiation.

Answer : A

Explanation

Light year is an astronomical unit.

Q 7 - The devices, which have infinite electrical resistance are known as

A - Conductors

B - Insulators

C - Resistors

D - Condensers

Answer : B

Explanation

Insulator is a substance or device which does not readily carries electricity.

Q 8 - The density of water is greater than the density of kerosene. When both are mixed then

A - Water floats on kerosene

B - Kerosene floats on water

C - kerosene dissolves in water

D - Get mixed thoroughly

Answer : B

Explanation

The lighter materials float on the heavier one.

Q 9 - Which among the following laws explains the spectrum of blackbody radiation?

A - Planck's law

B - Wien's displacement law

C - StefanBoltzmann law

D - Charles's law

Answer : A

Explanation

Planck explained the spectrum of blackbody radiation, which depends only on the respective object's temperature.

Q 10 - If pressure is increased, then the viscosity of a gas will be

A - Increased

B - Decreased

C - Same

D - Depends on the type of gas

Answer : A

Explanation

N/A

Answer : C

Explanation

Dictaphone is an instrument, which is used to record the speech for later use.

Q 13 - Who among the following has discovered Ultra-Violet Rays?

A - Henry Becqueral

B - W Rontgen

C - Ritter

D - Newton

Answer : C

Explanation

Johann Ritter had discovered ultra-violet rays in 1801.

Q 14 - Who among the following has discovered X-Rays?

A - Henry Becqueral

B - W Rontgen

C - Ritter

D - Newton

Answer : B

Explanation

N/A

Q 15 - Consider the following statements:

1. Combination of any two colors, if produces white light, is known as complementary color.

2. One secondary color and the remaining primary colors are complementary colors.

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

When complementary colors are combined, they cancel each other out and produce white or black. Blue and yellow; Red and cyan, and green and magenta are the complementary.

Q 16 - A blue paper appears . in red light.

A - Red

B - Green

C - Yellow

D - Black

Answer : D

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

Answer : A

Explanation

It was Nicolas-Jacques Cont, who first invented the technique of pencil manufacturing in 1795.

Q 19 - The branch of physics that studies about the properties, features, and mechanisms of atomic nucleus is known as:

A - Astronomy

B - Modern Physics

C - Mechanics

D - Atomic Physics

Answer : B

Explanation

Modern physics is the study of atomic nucleus; therefore, it is also known as Nuclear Physics.

Q 20 - Which among the following is used to measure the depth of the ocean?

A - Galvanometer

B - Fathometer

C - Endoscope

D - Electroscope

Answer : B

Explanation

N/A

physics_part2_online_quiz.htm
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