Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsTIR/Prism and DispersionMedium2 minQB

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The curve of angle of incidence versus angle of deviation shown has been plotted for prism. The value of refractive index of the prism used is

Answer:

Solution:

$δ = i + e - A$

$δ_{min} = 6 0^{\circ}$ when $i = e = 6 0^{\circ}$

$6 0^{\circ} = 2 (6 0^{\circ}) - A$ , so $A = 6 0^{\circ}$

$μ = \frac{sin \frac{6 0 ^{\circ} + 6 0 ^{\circ}}{2}}{sin 3 0 ^{\circ}} = 3$

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

⏱ 2mℹ️ Source: QB

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