Figure, a light ray is incident on the lower medium boundary at an angle if 4 5 ∘ with the normal. Which of the following statements is/are true?

For μ 2 = 2 (TIR will not take place) 2 sin 4 5 ∘ = μ 2 sin r μ 2 sin r = 2 sin e e = 9 0 ∘ Hence, deviation is 4 5 ∘ μ 2 < 2 . TIR will take place. Deviation is 9 0 ∘

Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsRefraction at plane surfaceMedium2 minQB

PhysicsMediummultiple choice

Figure, a light ray is incident on the lower medium boundary at an angle if $4 5^{\circ}$ with the normal. Which of the following statements is/are true?

Options:(select one or more)

Answer:

A, B

Solution:

For $μ_{2} = 2$ (TIR will not take place) $2 sin 4 5^{\circ} = μ_{2} sin r$ $μ_{2} sin r = 2 sin e$ $e = 9 0^{\circ}$

Hence, deviation is $4 5^{\circ}$

$μ_{2} < 2$ . TIR will take place. Deviation is $9 0^{\circ}$

Stream:JEESubject:PhysicsTopic:Geometrical OpticsSubtopic:Refraction at plane surface

⏱ 2mℹ️ Source: QB

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