1
JEE Main 2022 (Online) 26th June Morning Shift
+4
-1

In free space, an electromagnetic wave of 3 GHz frequency strikes over the edge of an object of size $${\lambda \over {100}}$$, where $$\lambda$$ is the wavelength of the wave in free space. The phenomenon, which happens there will be :

A
Reflection
B
Refraction
C
Diffraction
D
Scattering
2
JEE Main 2022 (Online) 25th June Evening Shift
+4
-1

The interference pattern is obtained with two coherent light sources of intensity ratio 4 : 1. And the ratio $${{{I_{\max }} + {I_{\min }}} \over {{I_{\max }} - {I_{\min }}}}$$ is $${5 \over x}$$. Then, the value of x will be equal to :

A
3
B
4
C
2
D
1
3
JEE Main 2022 (Online) 25th June Evening Shift
+4
-1

A light whose electric field vectors are completely removed by using a good polaroid, allowed to incident on the surface of the prism at Brewster's angle. Choose the most suitable option for the phenomenon related to the prism.

A
Reflected and refracted rays will be perpendicular to each other.
B
Wave will propagate along the surface of prism.
C
No refraction, and there will be total reflection of light.
D
No refraction, and there will be total transmission of light.
4
JEE Main 2022 (Online) 25th June Morning Shift
+4
-1

The two light beams having intensities I and 9I interfere to produce a fringe pattern on a screen. The phase difference between the beams is $$\pi$$/2 at point P and $$\pi$$ at point Q. Then the difference between the resultant intensities at P and Q will be :

A
2 I
B
6 I
C
5 I
D
7 I
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