Question

Take two tin cans and pierce them at the bottom. Join both the tins with a
string. Take these cans away from each other. Ask a person to speak
through one can and ask the other one to try to hear from the other by
placing it on one ear. What do you conclude from this activity? Make a
report. (SOUND)​

Answer 1

ANSWER:

The can with the black paint is hotter than the one with the white paint .

This is because the black colour can absorb more heat than the white colour.

So over time the black paint will absorb more heat than the white paint.

Answer 2

Answer:

You conclusion for the Activity:-

(a) sound need a medium to travel.

(b) sound can't travel through vaccum

(c) If you want to propogate sound through one median to another you must use an artificial medium. like thread.

Eg:- for (c) statement is you above written activity.

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