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Q: What degre3e is the angle of reflection if a ray falls normally on a plane mirror?
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What is the angle of reflection when a ray falls normally on a plane mirror?

90


Laws of reflection by a plane mirror?

angle of incidence is equal to angle of reflection.


A ray of light strikes a plane mirror such that angle with the mirror is 30 degreewhat is the angle of reflection?

30 degrees as the angle of reflection is equal to the angle of incidence


What is the angle of reflecting?

the angle of reflection is the angle where light bounces off the object. for example if you have a mirror the angle of reflection is the one that you can point a laser at the mirror and bounces off.


Can the angle of incidence be greater than the angle of reflection when plane mirror?

No, if the mirror is flat (a plane), the angle of incidence always equals the angle of reflection.


What will be the angle of reflection if a ray of light is incident towards a plane mirror at an angle of 30 degrees with the mirror surface?

If the ray hits the mirror at an angle of 30 degrees with the mirror surface, the complementary angle that the ray makes with the normal (perpendicular) to the mirror at the point of incidence is (90 - 30) = 60 degrees and since angle of incidence is equal to angle of reflection in a plane mirror, the angle of reflection is 60 degrees.


The angle of incedence is equal to the angle of reflection?

This is the second law of reflection phenomenon. So if a ray falls normally on the reflecting mirror then the angle of incidence will be 0. So as the angle of reflection also is to be 0, the ray just retraces its path. That is it is coming back in the same straight line.


What is the angle of incidence if a reflected wave bounces off a mirror with an angle of reflection equal to 55ΒΊ?

If a light ray is reflected from a flat mirror with a reflection angle of 55o then the angle of incidence was also 55o. When reflecting from a mirrored surface, the angle of incidence equals the angle of reflection.


What angle is the same distance from the normal on a plane mirror as the incident angle?

The angle of reflection.


What is plan mirror?

A plane mirror is a mirror with a planar reflective surface. For light rays striking a plane mirror, the angle of reflection equals the angle of incidence. The angle of incidence is the angle between the incident ray and the surface normal (an imaginary line perpendicular to the surface). Therefore the angle of reflection is the angle between the reflected ray and the normal and a collimated beam of light does not spread out after reflection from a plane mirror, except for diffraction effects.


When light reflected in a mirror what is special about the angle of inncident?

It is equal to the angle of reflection.


Is the angle of incidence less than the angle of reflection on a plane mirror?

they are equal