1
NEET 2024 (Re-Examination)
+4
-1

Interference pattern can be observed due to superposition of the following waves:

A. $$y=a \sin \omega t$$

B. $$y=a \sin 2 \omega t$$

C. $$y=a \sin (\omega t-\phi)$$

D. $$y=a \sin 3 \omega t$$

Choose the correct answer from the options given below.

A
B and C
B
B and D
C
A and C
D
A and B
2
NEET 2024 (Re-Examination)
+4
-1

A beam of unpolarized light of intensity I0 is passed through a polaroid A, then through another polaroid B, oriented at $$60^\circ$$ and finally through another polaroid C, oriented at 45$$^\circ$$ relative to B as shown. The intensity of emergent light is:

A
$$\frac{I_0}{16}$$
B
$$\frac{I_0}{4}$$
C
$$\frac{I_0}{2}$$
D
$$\frac{I_0}{32}$$
3
NEET 2024
+4
-1

If the monochromatic source in Young's double slit experiment is replaced by white light, then

A
Interference pattern will disappear
B
There will be a central dark fringe surrounded by a few coloured fringes
C
There will be a central bright white fringe surrounded by a few coloured fringes
D
All bright fringes will be of equal width
4
NEET 2024
+4
-1

An unpolarised light beam strikes a glass surface at Brewster's angle. Then

A
The reflected light will be partially polarised.
B
The refracted light will be completely polarised.
C
Both the reflected and refracted light will be completely polarised.
D
The reflected light will be completely polarised but the refracted light will be partially polarised.
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