1
BITSAT 2024
MCQ (Single Correct Answer)
+3
-1
The magnifying power of a telescope is 9 . When it is adjusted for parallel rays, the distance between the objective and eyepiece is 20 cm . The ratio of focal length of objective lens to focal length of eyepiece is found to be $ m $, then the value of $ m $ is
A
8
B
7
C
9
D
12
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A thin plano-convex lens of focal length $$f$$ is split into two halves one of the halves is shifted along the optical axis. The separation between object and image formed by one of the half-lenses is 2.4 and the magnification of same lens is 2. If $$f$$ and $$d$$ be the focal length of the lens and separation between the two halves respectively then

BITSAT 2023 Physics - Ray Optics Question 3 English

A
f = 0.53 m
B
f = 0.6 m
C
f = 0.5 m
D
d = 0.9 m
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

A vessel is half filled with a liquid of refractive index $$\mu$$. The other half of the vessel is filled with an immiscible liquid of refractive index $$2 \mu$$. The apparent depth of the vessel is $$50 \%$$ of the actual depth. Then $$\mu$$ is

A
1.4
B
1.5
C
1.6
D
1.25
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A mosquito O is sitting infront of a glass rod having spherical end of radius of curvature 40 cm. The image would be formed at

BITSAT 2022 Physics - Ray Optics Question 6 English

A
40 cm left
B
infinity
C
20 cm to the right
D
15 cm to the left
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