When the accelerating voltage in an X-ray tube is doubled, the ...

[yoroshambo]

When the accelerating voltage in an X-ray tube is doubled, the minimum wavelength of the X-rays
 
  A) is increased to twice the original value.
  B) is increased to four times the original value.
  C) is decreased to one-fourth the original value.
  D) is decreased to one-half the original value.

Question 2

Light of wavelength 550 nm in air is found to travel at 1.96  108 m/s in a certain liquid. Determine
 
  (a) the frequency of the light in the liquid.
  (b) the wavelength of the light in the liquid.

[pocatato]

Answer to Question 1

D

Answer to Question 2

(a) 5.45  1014 Hz
(b) 359. nm

[yoroshambo]

TYSM

[6ana001]

Excellent