Tag: polarisation
Questions Related to polarisation
In double refraction, the stationary image can be produced by :
Consider the following statements A and B. Identify the correct statements.
(A) Polarized light can be used to study the helical structure of nucleic acids.
(B) Optical axis is a direction and not any particular line in the crystal.
When unpolarised light passes through a Polaroid sheet the beam that emerges from it is plane polarized. This is due to selective :
The Polaroid is :
A calcite crystal is placed over a dot on a piece of paper and rotated. On seeing through the calcite, one will see :
Consider the following statements A & B. Identify the correct choice in the given answers.
(A) The refractive Index of the extra-ordinary ray depends on the angle of incidence in double refraction
(B) The vibrations of light waves acquire onesidedness for both ordinary and extraordinary rays in double refraction
If $\mu _{O}$ and $\mu _{e}$ are the refractive indices of a double
refracting crystal, then
1) $\mu _{O}$ < $\mu _{e}$ for quartz crystal
2) ,$\mu _{O}$ > $\mu _{e}$ for calacite crystal
Huygens wave theory could not explain
The tourmaline crystal
What happens to electric field component when unpolarized light is incident on surface such that reflected and refracted light are at right angles?