The angle between an incident ray and the plane mirror is 30- The total angle between the incident ray and reflected ray will be - a 30- b 60- c 90- d 120-

Angle of incidence equal to angle of reflection So both angle is 60^∘ So. Total angle 60^∘+ 60^∘= 120^∘ ...

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Standard X

Physics

Laws of Reflection

The angle bet...

Question

The angle between an incident ray and the plane mirror is $30^{\circ}$ . The total angle between the incident ray and reflected ray will be : (a) $30^{\circ}$ (b) $60^{\circ}$ (c) $90^{\circ}$ (d) $120^{\circ}$

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Solution

Angle of incidence equal to angle of reflection
So both angle is $60^{\circ}$
So. Total angle

$60^{\circ}$ + $60^{\circ}$ = $120^{\circ}$

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The angle between an incident ray and the plane mirror is 30∘. The total angle between the incident ray and reflected ray will be : (a) 30∘ (b) 60∘ (c) 90∘ (d) 120∘

Angle of incidence equal to angle of reflection So both angle is 60∘ So. Total angle 60∘+ 60∘= 120∘

The angle between an incident ray and the plane mirror is $30^{\circ}$ . The total angle between the incident ray and reflected ray will be : (a) $30^{\circ}$ (b) $60^{\circ}$ (c) $90^{\circ}$ (d) $120^{\circ}$

Angle of incidence equal to angle of reflection
So both angle is $60^{\circ}$
So. Total angle

$60^{\circ}$ + $60^{\circ}$ = $120^{\circ}$