Multiple Choice
Unpolarized light passes through three polarizing filters.The first is oriented with a horizontal transmission axis,the second has its transmission axis π/7 radians from the horizontal,and the third has a vertical transmission axis.What percent of the light gets through?
A) 7.6%
B) 92.4%
C) 50.0%
D) 0%
Correct Answer:
Verified
Correct Answer:
Verified
Q39: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2706/.jpg" alt=" -In the figure,two
Q40: If a coil stays at rest in
Q41: While a magnet is moved toward the
Q42: For electromagnetic waves,the electric and magnetic fields
Q43: A transmitter is operating at an average
Q45: A 1.90 × 10<sup>14</sup> Hz electromagnetic wave
Q46: A large magnetic flux change through a
Q47: An 800 kHz radio signal is detected
Q48: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB2706/.jpg" alt=" -In the figure,two
Q49: It requires work to push a coil