Question

Please answer these questions..
Q16. (a) The smell of hot sizzling food reaches you several meters away, but to smell the cold food you have to go close.
Why?
(b) After rains, the rain drops dry away easily on a sunny day or on a cloudy day? Give reasons. [3]
Q18. (a) Why does a passenger jumping out of a rapidly moving bus fall forward with his face downwards?
(b) Why is it difficult for a fireman to hose, which ejects large amount of water at a high velocity?

Answer 1

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Q16. (a)Because the smell of hot food diffuse in air and reach to us very fastly while diffusion doesn't occur in cold food.

(b)Because the raditon of sun evaporate the rain water and change into water vapour.

Q18. (a)In this case Inertia occur "if a body is in rest then it wants to continue in rest"

(b)

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Answer 2

Answer:

this is your answer hope it helps you