Atomic Structure Question 19
Question: The frequency of an electromagnetic radiation is $ 2\times 10^{6}Hz $ . What is its wavelength in metres (Velocity of light $ =3\times 10^{8}m{s^{-1}} $ )
Options:
A) $ 6.0\times 10^{14} $
B) $ 1.5\times 10^{4} $
C) $ 1.5\times 10^{2} $
D) $ 0.66\times {10^{-2}} $
Show Answer
Answer:
Correct Answer: C
Solution:
When $ c=\nu \times \lambda $ than $ \lambda =\frac{c}{\nu }=\frac{3\times 10^{8}}{2\times 10^{6}}=1.5\times 10^{2}m $
