1
TS EAMCET 2023 (Online) 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Refractive index of a medium is $\mu$. If the angle of incidence is twice that of the angle of refracation, then the angle of incidence is

A

$\cos ^{-1}\left(\frac{\mu}{2}\right)$

B

$\sin ^{-1}\left(\frac{\mu}{2}\right)$

C

$2 \cos ^{-1}\left(\frac{\mu}{2}\right)$

D

$\sin ^{-1}(\mu)$

2
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The angles of incidence and emergence of a light ray passing through a prism of angle $A$ are $i$ and $e$ respectively. The total deviation produced by the prism is

A
$i+e+A$
B
$i+e-A$
C
$i+e-2 A$
D
$i+e+2 A$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
An empty tank has concave murror as its bottom. When sunlight falls normally on the mirror, it is focussed $\mathrm{a}_2$ height of 32 cm from the mirror. If the tank is filled with water upto a height of 20 cm , then the sunlight focusses at (refractive index of water $=\frac{4}{3}$ )
A
16 cm above water level
B
9 cm above water level
C
16 cm below water level
D
9 cm below water level
4
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A convex lens of focal length 25 cm and made of glass with refractive index 1.5 is immersed in water. the absolute change in focal length of the glass is [use refractive index of water $=4 / 3$ ]

A

100 cm

B

37.5 cm

C

75 cm

D

12.5 cm

TS EAMCET Subjects

Browse all chapters by subject