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    Exam 23: Mirrors and Lenses: Part A
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    Find the Frequency of X-Rays of Wavelength 2 × 10−<sup>11</sup>
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Find the Frequency of X-Rays of Wavelength 2 × 10−11

Question 31

Question 31

Multiple Choice

Find the frequency of X-rays of wavelength 2 × 10−11 m.(c = 3 × 108 m/s)


A) 3 × 108 Hz
B) 1.5 × 1019 Hz
C) 3 × 1018 Hz
D) 6 × 109 Hz

Correct Answer:

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