Electromagnetic waves Test 01 Class 12 Physics 2023-24

Which EM wave is used as a diagnostic tool in medicine?

X rays

What is the Source of displacement current?

Displacement current exists only when an electric field is changing.

Name the electromagnetic radiations used for (a) water purification
(b) Eye surgery

(a) U-v rays
(b) UV rays / laser

Assignment of em waves class 12 Physics

Important Numericals Questions EMwaves

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