1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The angle of prism is $$A$$ and one of its refracting surface is silvered. Light rays falling at an angle of incidence '$$2 \mathrm{A}$$' on the first surface return back through the same path after suffering reflection at the silvered surface. The refractive index of the material of the prism is

A
$$2 \sin \left(\frac{\mathrm{A}}{2}\right)$$
B
$$2 \tan \mathrm{A}$$
C
$$2 \cos \mathrm{A}$$
D
$$2 \sin \mathrm{A}$$
2
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The refractive index of glass is 1.5 and that of water is 1.33 . The critical angle for a ray of light going from glass to water is

A
$$\sin ^{-1}\left(\frac{4}{7}\right)$$
B
$$\sin ^{-1}\left(\frac{5}{8}\right)$$
C
$$\sin ^{-1}\left(\frac{8}{9}\right)$$
D
$$\sin ^{-1}\left(\frac{2}{3}\right)$$
3
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A convex lens is dipped in a liquid whose refractive index is equal to refractive index of lens material. Then its focal length will

A
increase
B
remain unchanged
C
become infinite
D
become zero
4
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A ray of light is incident at an angle 'I' on one face of thin prism. The ray emerges normally from the other face. Refractive index of the glass prism is '$$n$$' and angle of prism is '$$A$$'. The value of '$$\mathrm{I}$$' is

A
An
B
$$\mathrm{An}^2$$
C
$$\frac{\mathrm{A}}{\mathrm{n}}$$
D
$$\frac{\mathrm{A}}{\mathrm{n}^2}$$
MHT CET Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN