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Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsTIR/Prism and DispersionMedium2 minQB

PhysicsMediumsingle choice

A thin prism $P_{1}$ with angle $4^{\circ}$ made of glass of refractive index $1.54$ is combined with another thin prism $P_{2}$ made of glass of refractive index $1.72$ to produce dispersion without deviation. The angle of the prism $P_{2}$ is

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Answer:

Solution:

No deviation: $(μ_{1} - 1) A_{1} = (μ_{2} - 1) A_{2}$

$0.54 \times 4 = 0.72 \times A_{2}$

$A_{2} = 3^{\circ}$

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

⏱ 2mℹ️ Source: QB

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