Question

Aim:- To show that sound is produced by vibrating bodies.

Material required:- A plastic ruler, brick and table.

Method:- A plastic ruler is kept on the table such that its half part is in the air and remaining part is pressed with brick on the table. Now, the part of the plastic ruler, which is in air, is struck with the table.

Observation:- when the part of the plastic ruler is struck with the table, sound is produced.

conclusion:- The plastic ruler, when struck with the table, starts vibrating so that sound is produced.

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Answer 1

Explanation:

Aim:- To show that sound is produced by vibrating bodies.

Material required:- A plastic ruler, brick and table.

Method:- A plastic ruler is kept on the table such that its half part is in the air and remaining part is pressed with brick on the table. Now, the part of the plastic ruler, which is in air, is struck with the table.

Observation:- when the part of the plastic ruler is struck with the table, sound is produced.

conclusion:- The plastic ruler, when struck with the table, starts vibrating so that sound is produced.

Answer 2

helo what we have to solve here

and thanks for free points