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Q.
A rubber ball is dropped to the floor. What force act on the ball to bounce? Does the Earth "bounce" too?
Ans.
The force of the Earth pushing back on the ball causes the ball to bounce. The Earth "bounces" too, but the Earth has so much bigger mass the ball, the acceleration of the Earth isn't noticible.
The color of sky is blue but the wavelenght of violet and indigo is small than that of blue.Then why the color of sky is blue? Ans) The particles in the atmosphere are able to
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