Q14. If in the above diagram the angle of refraction (r) is 30° then what would be the
angle of emergence (e) if the refractive index of the prism is
(A) 30°
(B) 60°
(C) 45°
(D) 90°
Answers
Answered by
0
Answer:
Given :-
Wavelength = 200 m
Speed of waves = 3 × 10⁸ m/s
To Find :-
Frequency
Solution :-
\huge \bf \: F = \dfrac{ s}{ \lambda}F=λs
F = 3 × 10⁸/200
F = 1.5 × 10⁶ Hz
Hence :-
The frequency of radio at that wavelength is 1.5 × 10⁶ Hertz
Answered by
1
Answer:
D is the correct answer i guess...
i cant be sure as the pic of figure isn't attached
Explanation:
hope it helps...
have a great day ahead.
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