Which transformation of energy takes place in a door bell?
- Aelectrical energy into kinetic energy
- ✓electrical energy into sound energy
- Cchemical energy into electrical energy
- Dnuclear energy into light energy
Answer: B.
View full solution →Question types
Energy question types
31 questions across 8 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.
31
Questions
8
Question groups
5
Question types
01
MCQ
5 Q→02[1 Mark Question Answer]
9 Q→03[2 Mark Question Answer]
3 Q→04[3 Mark Question Answer]
1 Q→05[5 Mark Question Answer]
2 Q→06fill in the blanks.
5 Q→07TRUE / FALSE
5 Q→08Match The Following.
1 Q→Sample Questions
Energy questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which form of energy is possessed by a stretched spring?
- AChemical
- ✓Elastic potential
- CMuscular
- DHeat
Answer: B.
View full solution →When a ball is thrown vertically upwards, the gravitational potential energy of the ball
- ✓increases
- Bdecreases
- Cremains same
- Dnone of these
Answer: A.
View full solution →A child riding a bicycle possesses
- Apotential energy
- Bheat energy
- ✓kinetic energy
- Dsound energy
Answer: C.
View full solution →The amount of energy required to raise the temperature of I g of water by $1^\circ C$ is called
- A$1$ joule
- B$1$ newton
- ✓$1$ calorie
- D$1$ watt
Answer: C.
View full solution →The sum total of energy in this universe is constant. Justify this statement.
A body is thrown vertically upwards. What happens to its kinetic energy at its highest point?
A dog and a horse are running at the same speed. Who has more kinetic energy and why?
All stored energy is potential energy. Do you agree?
State the law of conservation of energy.
What do you understand by the transformation of energy? Explain by giving an example.
Explain why water stored in a dam has potential energy.
Describe different units of energy. What is the relationship between calorie and joule?
Explain the conservation of energy in a roller coaster.
Identify the different forms of energy possessed by the bodies given in the following pictures.
What is meant by mechanical energy ? Explain in detail.
Plants use the __________ energy from the sun to prepare their food.
__________ energy is produced when you strike a drum.
The energy of the food that we eat is stored as __________ energy.
The stretched rubber band of a catapult possesses _________ energy.
The SI unit of energy is _________
Energy can neither be created nor destroyed.
Nuclear energy is released when the nucleus of an atom splits.
The energy stored in fire crackers is in the form of magnetic energy.
Both kinetic and potential energy are called mechanical energy.
The energy possessed by a body by virtue of its position is known as kinetic energy.
| 1. 1 Calorie | a. sound energy |
| 2. Burning | b. magnetic energy |
| 3. Coiled spring in a watch | c. heat energy |
| 4. Vibrating bodies | d. 4.186 joules |
| 5. Magnets | e. elastic potential energy |
Generate a Energy paper free
Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.