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- A photon of energy 6.63 × 10⁻¹⁹ J strikes a metal surface with work function 5 × 10⁻¹⁹ J. What is the velocity of the emitted photoelectron? (m = 9.1 × 10⁻³¹ kg)
Ajay
300 Points- Mohammad Anas (13750) Points
- Latest Answer: 5 months ago
- In: NEET
A photon of energy 6.63 × 10⁻¹⁹ J strikes a metal surface with work function 5 × 10⁻¹⁹ J. What is the velocity of the emitted photoelectron? (m = 9.1 × 10⁻³¹ kg)
a) ≈1.5×105\approx 1.5 \times 10^5≈1.5×105 m/s
b) ≈2.0×106\approx 2.0 \times 10^6≈2.0×106 m/s
c) 0
d) 3.0 × 10⁸ m/s
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