1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Velocity of light in diamond is $\left(\frac{5}{12}\right)^{\text {th }}$ times that in air. Velocity of light in water is $\left(\frac{3}{4}\right)^{\text {th }}$ times that in air. The angle of incidence of ray of light travelling from water to diamond is (angle of refraction $\left.(\mathrm{r})=30^{\circ}\right)\left[\right.$ Given $\left.\rightarrow \sin 30^{\circ}=\frac{1}{2}\right]$

A
$\sin ^{-1}(9 / 10)$
B
$\sin ^{-1}(3 / 4)$
C
$\sin ^{-1}(5 / 12)$
D
$\sin ^{-1}(9 / 5)$
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A point object kept at P in front of a glass sphere of radius ' $R$ ' has its image formed at $Q$ such that $\mathrm{PO}=\mathrm{QO}$. The refractive index of material of glass sphere is 1.4. The distance PO is equal to

MHT CET 2024 9th May Morning Shift Physics - Ray Optics Question 25 English

A
$\frac{\mathrm{R}}{2}$
B
2R
C
5R
D
6R
3
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A convex lens of refractive index $\frac{3}{2}$ has a power 2.5. If it is placed in a liquid of refractive index 2, the new power of the lens is

A
2.5 D
B
$-$2.5 D
C
1.25 D
D
$-$1.25 D
4
MHT CET 2024 4th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Some water is filled in a container of height 30 cm . If is is to appear half filled to the observer when viewed from the top of the container, the height upto which water should be filled in it, is [Refractive index of water $=\frac{4}{3}$]

A
15 cm
B
18 cm
C
20 cm
D
24 cm
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