Atomic Structure Question 391

Question: What will be the difference between electromagnetic radiation shown in A and B respectively-

(i) Velocity (ii) Wavelength (iii) Frequency (iv) Energy

Options:

A) (ii) only

B) (ii) and (iv)

C) (ii), (iii) and (iv)

D) (iv) only

Show Answer

Answer:

Correct Answer: C

Solution:

  • $ v=\frac{v}{\lambda } $
    $ \Rightarrow E_1=\frac{hc}{{\lambda_1}} $
    $ \Rightarrow E_2=\frac{hc}{{\lambda_2}}{\lambda_1}>{\lambda_2}\Rightarrow E_1<E_2 $


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