Question

The frequencies of $X$ -rays, $\gamma$ -rays and ultraviolet rays are respectively $a$ , $b$ and $c$ . Then

• A. $a<b,b<c$
• B. $a<b,b>c$
• C. $a>b,b>c$
• D. $a>b,b<c$

Answer 1

Answer: (B)

$\gamma$ rays has lowest wavelength and highest frequency among them while ultraviolet ray has highest wavelength and lowest frequency.