1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The minimum distance between an object and its real image formed by a convex lens of focal length 'f' is

A
2f
B
4f
C
1.5f
D
2.5f
2
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A ray of light is incident on one face of an equilateral glass prism having refractive index $$\sqrt{2}$$. It produces the emergent ray which just. grazes along the adjacent face. The value of angle of incidence is $$\left(\sin 45^{\circ}=\cos 45^{\circ}=\frac{1}{\sqrt{2}}\right)$$

A
$$\sin ^{-1}\left(\frac{1}{\sqrt{2}} \sin 15^{\circ}\right)$$
B
$$\sin ^{-1}\left(\sqrt{2} \sin 30^{\circ}\right)$$
C
$$\sin ^{-1}\left(\frac{1}{\sqrt{2}} \sin 45^{\circ}\right)$$
D
$$\sin ^{-1}\left(\sqrt{2} \sin 15^{\circ}\right)$$
3
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

White light consists of wavelengths from $$480 \mathrm{~nm}$$ to $$672 \mathrm{~nm}$$. What will be the wavelength range when white light is passed through glass of refractive index 1.6?

A
$$420 \mathrm{~nm}-672 \mathrm{~nm}$$
B
$$300 \mathrm{~nm}-480 \mathrm{~nm}$$
C
$$300 \mathrm{~nm}-420 \mathrm{~nm}$$
D
$$300 \mathrm{~nm}-672 \mathrm{~nm}$$
4
MHT CET 2021 24th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A monochromatic ray of light travels through glass slab and water column. The number of waves in glass slab of thickness $$4 \mathrm{~cm}$$ is the same as in water column of height $$5 \mathrm{~cm}$$. If refractive index of glass is $$\frac{5}{3}$$ then refractive index of water is

A
1.33
B
1.30
C
1.25
D
1.10
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