Electrons Are Accelerated Through a Potential Difference of 90 $\times$ 10¹⁹ Hz
B) 2

Electrons are accelerated through a potential difference of 90.0 kV and directed at a tungsten target to produce x-rays.What is the cutoff frequency in the x-ray spectrum produced?

A) 2.17 $\times$ 10¹⁹ Hz
B) 2.10 $\times$ 10¹⁹ Hz
C) 1.17 $\times$ 10²¹ Hz
D) 9.25 $\times$ 10²¹ Hz
E) 6.20 $\times$ 10¹⁵ Hz

Correct Answer:

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