Question Text
Question 1 :
When the light is incident at the polarizing angle on transparent medium, then the completely polarized light is
Question 2 :
Pile of plates can be used to produce completely polarised light due to :<br/>
Question 4 :
The diameter of objective of a telescope is $1m$. Its resolving limit for the light of wavelength $4538\overset {\circ}{A}$, will be :
Question 5 :
Assertion : Resolving power of a telescope is more if the diameter of the objective lens is more.<br/>Reason : Objective lens of large diameter collects more light<br/>
Question 6 :
A transverse wave propagating along x-axis is<span>represented by<br>$y\left (x, t \right ) = 8.0 \sin \left (0.5 \pi x - 4 \pi rt - \frac{\pi} {4} \right )$<br>where $x$ is in metres and t is in seconds. The speed of the wave is:-</span>
Question 7 :
If the red light is replaced by blue light illuminating the object in a microscope the resolving power of the microscope
Question 9 :
Among the Fresnel zones the operative zones contributing intensity are :<br/>