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4 loops are formed in 80cm of wire . The...

4 loops are formed in 80cm of wire . Then the wavelength of wave is

A

20cm

B

80cm

C

160cm

D

40cm

Text Solution

Verified by Experts

The correct Answer is:
D
`lamda/2 xx4 = 80`
`lamda /2 =20`
`lamda = 40cm`
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