Practice mode Physics

What is the linear momentum of an X-ray photon of wavelength 0.1 Å?

Correct answer D. 6.625 × 10⁻²³ N s

Explanation

Photon momentum is p = h/λ = 6.625 × 10⁻³⁴ J s ÷ 1 × 10⁻¹¹ m = 6.625 × 10⁻²³ N s.

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