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Question
What is the main energy transformation that occur in:
Charging of a battery.
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Solution
Electric energy to chemical energy.
RELATED QUESTIONS
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
State the energy changes in the following case while in use:
an electric bulb
What is hydro energy?
Name two examples in which the mechanical energy of a system remains constant.
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
What kind of energy is possessed in a situation when?
A stone lying on the top of roof.
Obtain an expression for the kinetic energy of a body of mass m moving with a velocity v?
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
Use your brain power!
Why do tablets of camphor decrease in size day by day?
