Among the following which one is having a minimum wavelength?

Among the following which one is having a minimum wavelength?
  1. X-rays
  2. Ultraviolet rays
  3. $\gamma$-rays
  4. Cosmic rays

Solution

Cosmic rays, having very short wavelength. Wavelengths $\rightarrow$ $\mathrm{X}$-ray $\Rightarrow 1 Å$ to $100 Å$ Ultraviolet rays $\rightarrow 100 Å$ to $1 Å$ $\gamma$-rays $\rightarrow 0.001 Å$ to $1 Å$ Cosmic rays $\rightarrow$ upto $4 \times 10^{-3} Å$

Asked in: NEET 2002

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