The equation E = mc^2 indicates that energy _?

B. And mass are closely related

A. Can be converted into mass only

B. And mass are closely related

D. Is destroyed when mass is created

Everyday Science · Physics in Everyday Life · page 1 of 21

Work & Energy MCQs with Answers

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Work & Energy MCQs (1–10)

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Past paper MCQs in this chapter · See all past papers

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1.
Past Paper MCQ
The energy stored in coal is _?
Correct Answer: B. Chemical Energy
One-liner
The energy stored in coal is chemical energy.
2.
Past Paper MCQ
Which source is primarily used for commercial energy consumption?
Correct Answer: A. Oil
One-liner
Oil is the primary source used for commercial energy consumption worldwide.
3.
Light is a form of ?
Correct Answer: D. Kinetic Energy
One-liner
Light is a form of kinetic energy because it consists of photons traveling in waves, carrying energy through their motion.
4.
The equation E = mc^2 indicates that energy _?
Correct Answer: B. And mass are closely related
One-liner
The equation E = mc^2 indicates that energy and mass are closely related, as mass can be converted into energy and vice versa.
5.
A quantity having the dimensional formula ML²T⁻² corresponds to which of the following SI units?
Correct Answer: C. Joule
One-liner
The dimensional formula ML²T⁻² corresponds to the SI unit Joule, which is the unit of work and energy.
6.
The energy of motion is ?
Correct Answer: B. Kinetic energy
One-liner
The energy of motion is called kinetic energy.
7.
The rate of doing work of a body is called?
Correct Answer: C. Power
One-liner
The rate of doing work of a body is called Power.
8.
The work done by friction is ?
Correct Answer: B. Negative
One-liner
The work done by friction is negative because friction always acts opposite to the direction of motion.
9.
Which can be work or energy type involved in movement of fluid?
Correct Answer: B. Kinetic energy
One-liner
The energy involved in the movement of fluid is kinetic energy, as it is the energy possessed by a body due to its motion.
10.
A toy car can move and make sound and runs on batteries. What type of energy is stored in the batteries?
Correct Answer: D. Chemical energy
One-liner
Batteries store chemical energy, which is converted into electrical energy when the toy is switched on.

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Work & Energy MCQs with Answers

Work & Energy MCQs (1–10)

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