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Electromagnetic Waves

  1. ​If λv, λx and λm represent the wavelengths of visible light, X–rays and microwaves respectively, then​​​
    1. ​λm > λx > λv
    2. λm > λv > λx
    3. ​λv > λx > λm
    4. ​λv > λm > λx
Correct Option: B

We know

E =
hc
λ

E ∝
1
λ

Em < Ev < Ex
∴ λm > λv > λx



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