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Electron speed 2.2 × 10⁶ m/s, orbit radius 5.3 × 10⁻¹¹ m. Classical light frequency?
A6.6 × 10¹⁵ Hz
B6.6 × 10¹⁴ Hz
C6.6 × 10¹⁶ Hz
D6.6 × 10¹³ Hz
Answer & Solution
Correct answer: A. 6.6 × 10¹⁵ Hz
Frequency of revolution is v/2πr = 2.2 × 10⁶ / (2π × 5.3 × 10⁻¹¹), about 6.6 × 10¹⁵ Hz.
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