Question Detail

PHY 104 Diffraction and Interference of light waves Objective Question

Question

What is the primary function of a Polaroid filter when dealing with unpolarized light?
Options
A To increase the intensity of the light.
B To change the wavelength of the light.
C To allow light to pass through in only one orientation and block out all other orientations.
Correct Answer
D To reflect all incident light.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The text states, 'To change unpolarized light to polarized light, a material such as a Polaroid filter is used. Such a material will allow light to pass through in only one orientation and block out all other orientations.'

Hint

Look for the description of 'Polaroid filter' on page 7.

Question Info