Physics Part 2 Online Quiz


Advertisements


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 - Optical fiber is preferably used in communication because …

A - Optical fiber is secure

B - Optical fiber is efficient

C - Optical fiber uses wireless technology

D - a & b

Answer : D

Explanation

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

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 - The sound frequency lesser than the audible range i.e. (20 Hz) is known as …

A - Ultrasonic

B - Infrasonic

C - Hypersonic

D - Hyposonic

Answer : B

Explanation

Anything less than the frequencies of audible sound is known as infrasonic.

Q 4 - A remote control of TV uses …………. waves to control the TV.

A - Infrared

B - Ultrasonic

C - Radio wave

D - Light wave

Answer : C

Explanation

N/A

Q 5 - In a normal circumstance, the range of temperature that a mercury thermometer can measure is …

A - -40 to 3560 C

B - -80 to 5560 C

C - -140 to 7500 C

D - 0 to 5000 C

Answer : A

Explanation

Under special circumstance, mercury thermometer can measure up to 5700 C.

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

N/A

Q 9 - The optical power of a lens is measured in …

A - Diopter

B - Tesla

C - Ounce

D - Pint

Answer : A

Explanation

The principal focal length of a lens is measured in meter (1/meters).

2

Q 10 - The major function of a radiator in the car is …

A - Keep engine cool

B - Increase mileage

C - Increase the speed

D - Increase the life of engine

Answer : A

Explanation

N/A

Q 11 - Who had given the ‘Law of Electrostatic Attraction?’

A - Newton

B - Galilee

C - Coulomb

D - Fresnel

Answer : C

Explanation

It was Charles Augustine de Coulomb who has given the law of electrostatic attraction to explain the attraction of negatively and positively charged atom.

Answer : A

Explanation

N/A

Q 13 - Consider the following law:

“The force of gravitational attraction between two point bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.”

Who among the following has propounded this law?

A - Newton

B - Einstein

C - Richard Feynman

D - Planck

Answer : A

Explanation

It is Newton’s Law of Gravitation.

Q 14 - The force of liquid to keep something afloat is known as:

A - Capillary action

B - Buoyancy

C - Surface tension

D - Flotation

Answer : B

Explanation

It is because of buoyancy force, any object float on the water.

Q 15 - One fathom is equal to …

A - 1.8 meter

B - 1.4 meter

C - 2.2 meter

D - 2.5 meter

Answer : A

Explanation

N/A

Q 16 - Consider the following statements:

1. A myopic person can see the distant object clearly.

2. A myopic person cannot see the near 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 : D

Explanation

A myopic person can see the near object clearly and cannot see the distant object clearly.

Q 17 - Consider the following statements:

1. Energy can be neither created nor be destroyed.

2. Energy cannot be transformed into other form of energy.

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

Energy can be transformed into other form of energy.

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.

Answer : A

Explanation

N/A

Q 20 - Consider the following statements:

1. With rise in temperature, viscosity of liquid decreases.

2. With rise in temperature, viscosity of gas decreases.

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

With rise in temperature, viscosity of gas increases.


physics_part2_online_quiz.htm

Advertisements