1
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The prism has refracting angle '$$\mathrm{A}$$'. The second refracting surface of the prism is silvered. Light ray falling on first refracting surface with angle of incidence '$$2 \mathrm{~A}$$', reaches the second surface and returns back through the same path due to reflection at the silvered surface. The refractive index of the material of the prism is

A
$$\frac{1}{2} \sin \mathrm{A}$$
B
$$\frac{1}{2} \cos \mathrm{A}$$
C
$$2 \sin \mathrm{A}$$
D
$$2 \cos A$$
2
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

To get three images of a single object, the angle between the two plane mirrors should be

A
$$50^{\circ}$$
B
$$60^{\circ}$$
C
$$72^{\circ}$$
D
$$90^{\circ}$$
3
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two lenses of power $$-15 \mathrm{D}$$ and $$+5 \mathrm{D}$$ are in contact with each other. The focal length of the combination is

A
$$-0.1 \mathrm{~cm}$$
B
$$-10 \mathrm{~cm}$$
C
$$-20 \mathrm{~cm}$$
D
$$+10 \mathrm{~cm}$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is NOT involved in the formation of secondary rainbow?

A
Refraction
B
Angular dispersion
C
Interference
D
Total internal reflection
MHT CET Subjects
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