In a time period of 2 sec, the following wave partem is observed
Then the frequency of wave in his
(A) 1
(B)2
(C) 3
d 4
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Answered by
1
Answer is 2.
Count the number of wavelengths in the whole picture. They are 4.
So 2 in 1 sec
Answered by
1
B) 2 cause,
4 oscillations can been seen in 2s so
Frequency= no. of oscillations/time taken
=4/2
=2.
4 oscillations can been seen in 2s so
Frequency= no. of oscillations/time taken
=4/2
=2.
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