Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-fact-Hard-Class 12
What is the energy of a photon emitted by light of frequency 6.0 × 10^14 Hz?
A
98 × 10^-19 J
B
24 × 10^-19 J
C
48 × 10^-19 J
D
6.63 × 10^-34 J
Correct Answer
Option A
Detailed Explanation
The energy of a photon can be calculated using the formula E = h n, where h is Planck's constant (6.63 × 10^-34 J s) and n is the frequency. Substituting the given frequency, we find E = (6.63 × 10^-34 J s)(6.0 × 10^14 Hz) = 3.98 × 10^-19 J.
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