1
MHT CET 2023 14th May Evening Shift
+1
-0

Refractive index of a glass convex lens is 1.5. The radius of curvature of each of the two surfaces of the lens is $$20 \mathrm{~cm}$$. The ratio of the power of the lens when immersed in a liquid of refractive index 1.25 to that when placed in air is

A
2 : 3
B
2 : 5
C
3 : 5
D
5 : 2
2
MHT CET 2023 14th May Evening Shift
+1
-0

When a monochromatic ray of light is passed through an equilateral glass prism, it is found that the refracted ray in glass is parallel to the base of the prism. If '$$i$$' and '$$e$$' denote the angles of incidence and emergence respectively, then

A
$$\mathrm{i}>\mathrm{e}$$
B
$$\mathrm{i}<\mathrm{e}$$
C
$$\mathrm{i}=\mathrm{e}$$
D
$$\mathrm{i}+\mathrm{e}=90^{\circ}$$
3
MHT CET 2023 14th May Morning Shift
+1
-0

A combination of two thin lenses in contact have power $$+10 \mathrm{D}$$. The power reduces to $$+6 \mathrm{D}$$ when the lenses are $$0.25 \mathrm{~m}$$ apart. The power of individual lens is

A
$$5 \mathrm{D}, 5 \mathrm{D}$$
B
$$6 \mathrm{D}, 4 \mathrm{D}$$
C
$$7 \mathrm{D}, 3 \mathrm{D}$$
D
$$8 \mathrm{D}, 2 \mathrm{D}$$
4
MHT CET 2023 14th May Morning Shift
+1
-0

The angle of deviation produced by a thin prism when placed in air is '$$\delta_1$$' and that when immersed in water is '$$\delta_2$$'. The refractive index of glass and water are $$\frac{3}{2}$$ and $$\frac{4}{3}$$ respectively. The ratio $$\delta_1: \delta_2$$ is

A
$$1: 2$$
B
$$2: 1$$
C
$$1: 4$$
D
$$4: 1$$
EXAM MAP
Medical
NEET