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Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsTIR/Prism and DispersionMedium2 minPYQ_2023

PhysicsMediumsingle choice

A ray of light passes through an equilateral prism such that the angle of incidence (i) is equal to angle of emergence (e). The angle of emergence is equal to $(\frac{3}{4})^{th}$ the angle of prism. The angle of deviation is

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Solution:

$∴ i = e = 6 0^{\circ} \times \frac{3}{4} = 4 5^{\circ} \dots (∵$ prism is equilateral $)$ Angle of Deviation: $δ = i + e - A$ $δ = 4 5^{\circ} + 4 5^{\circ} - 6 0^{\circ} = 3 0^{\circ}$

Stream:MHT_CETSubject:PhysicsTopic:Geometrical OpticsSubtopic:TIR/Prism and Dispersion

⏱ 2mℹ️ Source: PYQ_2023

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