Question

The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3 × 10⁻³ watts will be ______ (h = 6.6 × 10⁻³⁴ Js)

Options

• 10¹⁶ 

• 10¹⁵ 

• 10¹⁸ 

• 10¹⁷ 

Answer 1

The number of photons per second on an average emitted by the source of monochromatic light of wavelength 600 nm, when it delivers the power of 3.3 × 10⁻³ watts will be `underline(10^16)`.