1
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The Brewster's law is given by the expression

A
$$\mu=\frac{\sin i}{\sin r}$$
B
$$\mu=\tan \theta p$$
C
$$\mu=\cos \theta$$
D
$$\mu=\sin \theta$$
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

If two slits in Young's experiment are $$0.4 \mathrm{~mm}$$ apart and fringe width on a screen $$200 \mathrm{~cm}$$ away is $$2 \mathrm{~mm}$$ the wavelength of light illuminating the slits is

A
500 nm
B
600 nm
C
400 nm
D
300 nm
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The distance of moon form the earth is $$3.8 \times 10^5 \mathrm{~km}$$. Supposing that the eye is most sensitive to the light of wavelength $$550 \mathrm{~nm}$$, the separation of two points on the moon that can be resolved by a $$500 \mathrm{~cm}$$ telescope is

A
50 m
B
55 m
C
51 m
D
60 m
4
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following logic gates are also known as the Universal gates?

A
AND, OR, NOT gate
B
XOR, XNOR gate
C
NAND, NOR gate
D
All logic gates
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