Physics - Geometrical Optics Question with Solution | TestHub

PhysicsGeometrical OpticsReflection at plane surfaceEasy2 minPYQ_2023

PhysicsEasysingle choice

When one light ray is reflected from a plane mirror with $30 °$ angle of reflection, the angle of deviation of the ray after reflection is:

Answer:

Solution:

It is given that $i = 30 °$ .

The formula for angle of deviation is
$δ = 180 ° - 2 i$

Substituting the values,
$δ = 180 ° - 60 °$
$= 120 °$

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

⏱ 2mℹ️ Source: PYQ_2023

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