Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

What will be the expression for the energy of a photon of wavelength (λ)?

Options:

$(h c) λ^{-1}$

$(h c)^{-1}λ$

$h cλ$

$(hλ) c^{-1}$

Correct Answer:

$(h c) λ^{-1}$

Explanation:

The correct answer is Option (1) → $(h c) λ^{-1}$

Energy of a photon:

$E = \frac{hc}{\lambda}$