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JEE PHYSICS MCQ: RAY OPTICS

1 Medium

1 of 1

Application +4 | -1

Three prisms of crown glass, each have angle of prism

9^\circ

and two prisms of flint glass are used to make direct vision spectroscope. What will be the angle of flint glass prisms if

\mu

for flint is

\mathrm{1}\mathrm{.60}

and

\mu

for crown glass is

\mathrm{1}\mathrm{.53}

View answer and explanation

Correct option: A

11.9^\circ

The correct answer is A (

11.9^\circ

) because it is derived from setting the total deviation to zero in a direct vision spectroscope.

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