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MCQ (Single Correct Answer)

BITSAT 2022
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
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...
BITSAT 2021
The property of light used in optical fibre cables is
BITSAT 2021
Two plane mirrors A and B are aligned parallel to each other as shown in the figure. A ray of light is incident at an angle 30$$^\circ$$ at a point j...
BITSAT 2020
A thin equi-convex lens is made of glass of refractive index 1.5 and its focal length is 0.2 m. If it acts as a concave lens of focal length 0.5 cm w...
BITSAT 2020
A spherical lens of power $$-$$4D is placed at a distance of 15 cm from another spherical lens of power 5 D. A beam of parallel light falls on the fir...
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