0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Differentiate polarized and unpolarized light. Describe two ways by which light can be polarized.?
scattering and by reflection
What does polarizer do to unpolarized light?
A polarizer filters unpolarized light by allowing only light waves oscillating in a specific plane to pass through, while blocking light waves oscillating in other planes. It aligns the electric field vectors of the light waves, resulting in linearly polarized light.
How do unpolarized waves look like?
Unpolarized waves will look random.
What type of light does a light bulb produce?
they produce protons and electrons they are collition then the light produce and heat produce
What is unpolarized?
Unpolarized energy is when there are vibrations which are produced randomly in spatial orientation. This will happen in more than one plane.
What is unpolarized energy?
Unpolarized energy is when there are vibrations which are produced randomly in spatial orientation. This will happen in more than one plane.
What is polarizing film?
Answer: A sheet that is optically anisotropic. Answer: "Film" means that it is a thin layer "polarizing" means that it polarizes light that goes through it. For example, if you shine unpolarized light on it, light will get out on the other side - polarized in a certain orientation.
An ideal polarizing filter transmits 50 of the incident non polarized light. Why is this so?
Unpolarized light has electromagnetic waves vibrating in all directions perpendicular to the direction of propagation. A polarizing filter only transmits light that is polarized along the same axis as the filter's axis. (Note that a polarizing filter also partially allows some orientations through that have some component of its axis along the same axis as the filter). The transmitted light thus constitutes half of the incident unpolarized light.Think of it like this: unpolarized light is like a rope vibrating up and down and a rope vibrating side to side. A polarizing filter is like "slots." If the slots are up and down, only up and down vibrations can get through. The other half- the side to side vibrations- are blocked.
Why intensity of light after passing through a anlyser reduces to half?
A beam of unpolarized light can be thought of as containing a uniform mixture of linear polarizations at all possible angles. Since the average value of is 1/2, the transmission coefficient becomes
Why are sound wave unpolarized?
Sound waves - at least in liquids and gases - can only be longitudinal.
What is an unpolarized capacitor?
A capacitor that does not have a designated + and - side. Electrolytic capacitors are usually polarized. Ceramic capacitors are not.
Why do polarized sunglasses reduce glare while unpolarized sunglasses cut down the amount of light reaching the eye?
1) all "sunglasses" reduce the amount of light to the eyes. 2) "glare" is mainly light reflections ... some of which have become polarized. 2b) thus polarized sunglasses MAY reduce glare under certain conditions.
