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In the problem No. 133, the wavelength o...

In the problem No. 133, the wavelength of the wave is

A

`pi//2 m`

B

5m

C

`4pi m`

D

4m

Text Solution

Verified by Experts

The correct Answer is:
A
`k = 4`
`(2pi)/(lamda) = 4 " " :. lamda = (2pi)/(4) = (pi)/(2)m`
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Knowledge Check

  • In the problem number 130, the wavelength of the wave is

    A
    1.5 m
    B
    2 m
    C
    3 m
    D
    `2pi m`

  • In the problem No.133, the velocity of the wave is

    A
    30 m/s
    B
    7.5 m/s
    C
    `15pi`
    D
    `3pi//2 m//s`

  • Wavelength of radio waves is.

    A
    `lt microwaves`
    B
    `gt microwaves`
    C
    `le` infarred waves
    D
    `le UV` rays

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