Question

Wavelength of light of frequency 100 Hz is

विकल्प

• 2 × 10⁶ m

• 3 × 10⁶ m

• 4 × 10⁶ m

• 5 × 10⁶ m

Answer 1

3 × 10⁶ m

Explanation:

X = `C/V = (3 xx 10^8)/100` = 3 × 10⁶ m