Tag: forms of energy

Questions Related to forms of energy

An electric heater converts electrical energy into

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Chemical energy

  2. Heat energy

  3. Light energy

  4. Muscular energy

Show answer
Correct Option: B
Explanation:

An electric heater is an electrical device that converts electrical energy into heat energy. The heating elements inside electric heater is an electrical converter and works on the principle of joule heating. An electric current passing through resistor converts electrical energy into heat energy.

The energy present in petrol is :

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Chemical

  2. Kinetic

  3. Potential

  4. Heat

Show answer
Correct Option: A
Explanation:

 chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

kinetic energy is due to motion.
potential energy is due to relative position.
heat energy is due to temperature.
in petrol different different reaction occurs which provide energy to run the engine, so energy possessed in petrol is chemical energy.
option A.

The muscular energy required by our body is given to us by :

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Air

  2. Water

  3. Oxygen

  4. Food

Show answer
Correct Option: D
Explanation:

chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

In food different different reaction occurs which provide energy to run the body, so energy possessed in food is chemical energy and which is converted to muscular energy required to run our body.
so option D.

The energy stored in food is :

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Electrical

  2. Heat

  3. Chemical

  4. Muscular

Show answer
Correct Option: C
Explanation:

 chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

heat energy is due to temperature.
in food different different reaction occurs which provide energy to run the body, so energy possessed in food is chemical energy.
option C.

Energy stored in the molecules of matter is called :

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Heat energy

  2. Potential energy

  3. Chemical energy

  4. Light energy

Show answer
Correct Option: C
Explanation:

Chemical Energy is the energy which is stored in the molecules of matter and holds the particles of molecule together.


Hence, correct answer is option is $C$

A torch converts________ energy to______ energy.

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. chemical, heat

  2. electrical, chemical

  3. chemical, light

  4. light, electrical

Show answer
Correct Option: C
Explanation:

A torch uses the energy released by the chemical reaction inside the cell and converts it to light energy by making the bulb  glow.


Hence, correct answer is option $C$

Electric heater converts:

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. Electric energy into chemical energy

  2. chemical energy into electric energy

  3. heat energy into electric energy

  4. electric energy and heat energy

Show answer
Correct Option: D
Explanation:

An electric heater converts electrical energy to heat energy.

The energy released on burning coal, oil, wood or gas is:

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. kinetic energy

  2. heat energy

  3. light energy

  4. solar energy

Show answer
Correct Option: B
Explanation:

The energy released on burning coal, oil, wood or gas is the heat energy.

A vibrating body possesses:

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. electrical energy

  2. nuclear energy

  3. potential energy

  4. sound energy

Show answer
Correct Option: D
Explanation:

A vibrating body possesses sound energy. It is sensed by our ears.

When two dry bodies are rubbed together, they get charged due to movement of free electrons from one body to the other body, so they possess:

physics the essence of change forms of energy and energy conservation energy for everything forms of energy

  1. nuclear energy

  2. electrical energy

  3. hydro energy

  4. light energy

Show answer
Correct Option: B
Explanation:

When two dry bodies are rubbed together, they get charged due to movement of free electrons from one body to the other body, so they possess electrical energy.