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Which of the following are not electroma...

Which of the following are not electromagnetic waves?
(i) sound waves (ii) radiowaves
(iii) `X` rays (iv) water waves

A

`(ii),(iii)`

B

`(i),(iv)`

C

`(i),(ii)`

D

`(iii),(iv)`

Text Solution

Verified by Experts

The correct Answer is:
B
They are mechanical waves as they need a medium to travel.
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Knowledge Check

  • Which of the following rays are not electromagnetic wave?

    A
    X-rays
    B
    `gamma`- rays
    C
    `beta`- rays
    D
    Heat rays

  • Which of the following is / are not electromagnetic wave?

    A
    Gamma rays
    B
    Alpha rays
    C
    Beta rays
    D
    X- rays

  • Which one of the following can produce electromagnetic waves?

    A
    Charge at rest
    B
    charge moving with constant velocity
    C
    Acceleration charge
    D
    Electrically neutral particle

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    which of the following in not true for electromagnetic waves ?

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