Question

questions chemistry class 8 ICSE questions chemistry​

Answer 1

Answer:

Q.1

1. Potential energy

2. torches, search lights, head lights of motor vehicles etc. to get powerful parallel beam of light.

3. no change in the total amount of mechanical energy.

4. a diverging mirror

5. superficial expansion.

Q.2

1. elastic potential energy

2.Gases

3. Position :- Depends on the position of the object.

Explanation:

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Answer 2

Answer:

Q.1

1. Potential energy

2. torches, search lights, head lights of motor vehicles etc. to get powerful parallel beam of light.

3. no change in the total amount of mechanical energy.

4. a diverging mirror

5. superficial expansion.

Q.2

1. elastic potential energy

2.Gases

3. Position :- Depends on the position of the object.

Explanation:

done