ErinM441 ErinM441
  • 03-08-2024
  • Physics
Answered

A polarizing sheet is placed in front of a laser pointer. If the polarizing sheet is rotated through 180°, it is observed that the brightness of the laser dot appears to change during the rotation. We can conclude that the laser is:
a) Unpolarized.
b) Changing its brightness.
c) Polarized.
d) Monochromatic.



Answer :

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