Question

Q-3 Write true or false for the following statements

1. The edge of knife is sharpened to increase the pressure
2. The boy carrying a school bad on his shoulder does no work
3. An electric bulb converts electric energy into heat energy only.
4.The regular ray leaves the mirror at not the same angle at which the incident ray strikes.
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Answer 1

Answer:

false

false

false

false

Answer 2

False

false

true

false

❥︎hope it helps