Physics Part 1 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 - Which among the following is used in making the coil of an electric heater?

A - Aluminum

B - Copper

C - Nichrome

D - Silver

Answer : C

Explanation

N/A

Q 3 - Which among the following waves is used by Wireless communication to carry signals?

A - Electromagnetic waves

B - Radio waves

C - Ultrasonic waves

D - Infrasonic waves

Answer : A

Explanation

N/A

Q 4 - Who had invented ‘Piano?’

A - Cristofori

B - Geitel

C - Talbot

D - Meucci

Answer : A

Explanation

Bartolomeo Cristofori had invented the piano.

Q 5 - Kepler’s Second Law of Planetary Motion is known as …

A - Law of elliptical orbits

B - Laws of areas

C - Law of volume

D - Harmonic laws

Answer : B

Explanation

N/A

Q 6 - In desert regions, night is much cooler than the night of other plain region of the earth because …

A - Clear sky

B - Cold wind

C - Sand particles radiate back the incoming solar radiation swiftly

D - Sand particles absorb all the incoming solar radiation swiftly

Answer : C

Explanation

N/A

Q 7 - Cream gets separated from the milk because of …

A - Cohesive force

B - Gravitational force

C - Centrifugal force

D - Frictional force

Answer : C

Explanation

The force that is directed away from the axis of rotation is known as centrifugal force.

Q 8 - No matter how far someone is standing from the mirror, the image appears erect. The mirror is …

A - Either plane or convex

B - Only plane

C - Only convex

D - Only concave

Answer : A

Explanation

N/A

Answer : A

Explanation

The earth will rotate in 12 hours instead of 24 hours.

Q 10 - If boiling point of water is measured in Fahrenheit, then it would be …

A - 3730F

B - 00F

C - 1000F

D - 2120F

Answer : D

Explanation

The formula of to convert OC into Fahrenheit is 0C × 9/5 + 32 = 0F.

Answer : D

Explanation

Transformer is used to convert high voltage into low and vice versa.

Q 12 - Consider the following statements:

1. The viscosity of liquid is because of the cohesive force between the molecules.

2. The viscosity of gas is because of the diffusion of its molecules from one layer to other layer.

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

Answer : C

Explanation

Hydrometer is an instrument that measures the density of liquid.

Q 14 - What is an orbital height of a Geo-stationary satellite?

A - 36,000 km

B - 26,000 km

C - 65,000 km

D - 90,000 km

Answer : A

Explanation

N/A

Q 15 - Which among the following is used to see the objects above the sea level?

A - Periscope

B - Manometer

C - Machmeter

D - Kymograph

Answer : A

Explanation

N/A

Q 16 - In reference to radioactivity, consider the following statements:

1. Gamma rays are emitted after the emission Alfa and Beta rays.

2. Gamma rays are produced by neutron stars, pulsars, and supernova explosions.

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

Gamma rays have the smallest wavelengths.

Answer : A

Explanation

Cardiograph is an instrument that measures heartbeat.

Q 18 - Which among the following is used to measure heat radiation?

A - Anemometer

B - Barograph

C - Bolometer

D - Callipers

Answer : C

Explanation

N/A

Q 19 - Consider the following statements:

1. All the electromagnetic waves consist of photon.

2. The wavelength range of the electromagnetic wave is 10-14 to 104.

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 - Consider the following statements:

1. Cathode rays are visible rays.

2. Cathode rays travel in 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 : B

Explanation

Cathode rays are invisible rays.

physics_part1_online_quiz.htm
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