A vibrating tuning fork is first held in the hand and then its end has been brought in contact with a table. For this case mark the correct option (s).

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The sound is louder when the tuning fork is in hand

The sound is louder when the tuning fork is in contact with table.

The sound dies away sooner when tuning fork is in contact with table.

The sound remains for a longer duration when tuning fork is held in hand

answer is B, C, D.

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Detailed Solution

When the vibrating tuning fork has been brought in contact with table, the vibrations of the tuning fork has been transmitted to the surface of table whose surface area is very large as compared to surface area of tuning fork and hence sound becomes louder, and due to the transmision of energy to the table, the sound dies sooner.When held in hand , energy is transmitted to the surrounding air at a slower rate .

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