1

JEE Main 2024 (Online) 27th January Morning Shift

MCQ (Single Correct Answer)

+4

-1

If the refractive index of the material of a prism is $$\cot \left(\frac{A}{2}\right)$$, where $$A$$ is the angle of prism then the angle of minimum deviation will be

2

JEE Main 2024 (Online) 27th January Morning Shift

MCQ (Single Correct Answer)

+4

-1

Identify the physical quantity that cannot be measured using spherometer :

3

JEE Main 2024 (Online) 27th January Morning Shift

MCQ (Single Correct Answer)

+4

-1

A convex lens of focal length $$40 \mathrm{~cm}$$ forms an image of an extended source of light on a photoelectric cell. A current I is produced. The lens is replaced by another convex lens having the same diameter but focal length $$20 \mathrm{~cm}$$. The photoelectric current now is :

4

JEE Main 2023 (Online) 13th April Morning Shift

MCQ (Single Correct Answer)

+4

-1

A vessel of depth '$$d$$' is half filled with oil of refractive index $$n_{1}$$ and the other half is filled with water of refractive index $$n_{2}$$. The apparent depth of this vessel when viewed from above will be-

Questions Asked from Geometrical Optics (MCQ (Single Correct Answer))

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