1

JEE Main 2016 (Offline)

MCQ (Single Correct Answer)

+4

-1

In an experiment for determination of refractive index of glass of a prism by $$i - \delta ,$$ plot it was found thata ray incident at angle $${35^ \circ }$$, suffers a deviation of $${40^ \circ }$$ and that it emerges at angle $${79^ \circ }.$$ In that case which of the following is closest to the maximum possible value of the refractive index?

2

JEE Main 2016 (Offline)

MCQ (Single Correct Answer)

+4

-1

An observer looks at a distant tree of height $$10$$ $$m$$ with a telescope of magnifying power of $$20.$$ To the observer the tree appears:

3

JEE Main 2015 (Offline)

MCQ (Single Correct Answer)

+4

-1

Monochromatic light is incident on a glass prism of angle $$A$$. If the refractive index of the material of the prism is $$\mu $$, a ray, incident at an angle $$\theta $$. on the face $$AB$$ would get transmitted through the face $$AC$$ of the prism provided :

4

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

+4

-1

A thin convex lens made from crown glass $$\left( {\mu = {3 \over 2}} \right)$$ has focal length $$f$$. When it is measured in two different liquids having refractive indices $${4 \over 3}$$ and $${5 \over 3},$$ it has the focal lengths $${f_1}$$ and $${f_2}$$ respectively. The correct relation between the focal lengths is :

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

Number in Brackets after Paper Indicates No. of Questions

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