Physics Part 1 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 : D

Explanation

Optical fiber is one of the best mediums of transferring information in the present world.

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 - Who had invented Electric Battery?

A - Volta

B - Torricelli

C - Bunsen

D - Aspdin

Answer : A

Explanation

Alessandro Volta had first invented the true electric battery in 1800.

Answer : A

Explanation

N/A

Q 5 - The exchange of thermal energy between two physical systems is known as

A - Heat Transfer

B - Heat exchange

C - Heat share

D - Temperature distribution

Answer : A

Explanation

The rate of heat transfer depends on the temperature differences between two bodies and also on the properties of intervening medium.

Q 6 - If a piece of ice put into the glass, which is half filled with water, what will happen once the ice melt completely?

A - The water level in glass will rise

B - The water level in glass will fall

C - The water level in glass will remain unchanged

D - First rise, but later decrease

Answer : C

Explanation

N/A

Q 7 - Which among the following reasons makes walking difficult on ice?

A - No friction

B - Too much friction

C - No inertia

D - Too much inertia

Answer : A

Explanation

N/A

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 determines the frequency of the emitted radiation?

A - Planck's law

B - Wien's displacement law

C - StefanBoltzmann law

D - Charles's law

Answer : B

Explanation

N/A

Q 10 - Keplers Third Law of Planetary Motion is known as

A - Law of elliptical orbits

B - Laws of areas

C - Law of volume

D - Harmonic laws

Answer : D

Explanation

N/A

Q 11 - Who has given the principle i.e. any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.

A - Archimedes

B - James Watt

C - Isaac Newton

D - Pascal

Answer : A

Explanation

It was the Archimedes who first observed and given the principle of buoyancy; also known as Archimedes Principle.

Q 12 - Consider the following statements:

1. With the help of barometer, weather forecast can be done.

2. Sudden fall in barometer reading is the indication of storm.

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

Barometer measures atmospheric pressure.

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 15 - A white paper appears . in green light.

A - Red

B - Green

C - Yellow

D - Blue

Answer : B

Explanation

White paper reflects its color according to the color of incoming light.

Q 16 - Who had invented Jet Engine?

A - Whittle

B - Gason

C - Binet

D - Martagnier

Answer : A

Explanation

Sir Frank Whittle had first invented the jet engine.

Q 17 - Consider the following statements:

1. If gravitational force is negligible, in equilibrium condition, pressure is same at all points in a liquid.

2. If an external pressure is applied to the fluid, it gets transmitted undiminished in every direction.

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

This law was established by French mathematician Blaise Pascal.

Q 18 - Who among the following has discovered short radio waves?

A - Hershel

B - Heinrich Hertz

C - Marconi

D - Newton

Answer : B

Explanation

Hertz generated radio waves in his laboratory in 1887.

Answer : C

Explanation

Wavemeter is an instrument that measures the wavelength of a radio wave.

Q 20 - What is the focal length of a plane mirror?

A - Infinity

B - Depend on the object

C - Depend on the coming light

D - Zero

Answer : A

Explanation

It is because of the radius of curvature, which is infinite.

physics_part1_online_quiz.htm
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