1
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
2
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 4 English

A
40 cm left
B
infinity
C
20 cm to the right
D
15 cm to the left
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

An achromatic convergent doublet of two lenses in contact has a power of +5 D. The power of converging lens is +6 D. The ratio of the dispersive power of the convergent and divergent lenses is

A
3 : 7
B
2 : 3
C
1 : 6
D
5 : 3
4
BITSAT 2021
MCQ (Single Correct Answer)
+3
-1

The property of light used in optical fibre cables is

A
total internal reflection
B
refraction
C
interference
D
polarisation
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