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LiRa [457]
4 years ago
7

Two tuning forks are sounded at the same time. which tuning forks will give rise to a beat frequency of 30 hz when sounded toget

her with a 270 hz tuning fork?
Physics
1 answer:
SOVA2 [1]4 years ago
6 0

Answer:

300 Hz and 240 Hz

Explanation:

Beat frequency formed by the tuning fork is given by :

f_{beat}=f_1\pm f_2

Here, the beat frequency, f_{beat}=30\ Hz

The frequency of a tuning fork, f_2=270\ Hz

If f_{beat}=f_1+f_2

f_1=f_{beat}-f_2

f_1=30-270

f_1=240\ Hz

If f_{beat}=f_1-f_2

f_1=f_{beat}+f_2

f_1=30+270

f_1=300\ Hz

So, the tuning forks will give rise to a beat frequency are 240 Hz and 300 Hz. Hence, this is the required solution.

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