Chapter 15: Problem 2204
An electromagnetic wave (A) can be deflected by electric field (B) can be deflected by magnetic field (C) can be deflected by both electric and magnetic field (D) none of these
Chapter 15: Problem 2204
An electromagnetic wave (A) can be deflected by electric field (B) can be deflected by magnetic field (C) can be deflected by both electric and magnetic field (D) none of these
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Which of the following electromagnetic waves has the longest wavelength? (A) Radio waves (B) Infrared radiations (C) x rays (D) visible rays
A plane electromagnetic wave is incident on a mater1al surface. The wave delivers momentum \(P\) and energy \(E\) (A) \(\mathrm{P}=0, \mathrm{E} \neq 0\) (B) \(\mathrm{P} \neq 0, \mathrm{E}=0\) (C) \(P \neq 0, E \neq 0\) (D) \(P=0, E=0\)
Unit of \(\mu_{0} \mathrm{c}\) is same as that of (A) current (B) resistance (C) electric charge (D) velocity
Electromagnetic waves used in medicine to destroy cancer cells (A) radio waves (B) infrared rays (C) gamma rays (D) ultraviolet rays
Which of the following rays are not electromagnetic waves? (A) \(\alpha\) rays (B) \(\gamma\) rays (C) \(\beta\) rays (D) heat rays
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