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Define angle of incidence.

Important Questions on Light

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Science>Physics>Light>Laws of Reflection

Write any three uses of plane mirror.

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Science>Physics>Light>Laws of Reflection

Find the value of ∠i, ∠r in the diagram.

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Science>Physics>Light>Laws of Reflection

What is reflection of light? Write law of reflection and draw labelled diagram.

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Science>Physics>Light>Laws of Reflection
What is the full form of ∠i and ∠r? What is the relation between them?
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Science>Physics>Light>Laws of Reflection
Define the angle of incidence.
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Science>Physics>Light>Laws of Reflection
What is the angle of incidence of a ray of light if the reflected ray is at an angle of 90° to the incident ray?
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Science>Physics>Light>Laws of Reflection
What is the angle equal to 90° minus the angle between the mirror and the incident ray called?
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Science>Physics>Light>Laws of Reflection

What is meant by a luminous object? Name two luminous objects.

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Science>Physics>Light>Laws of Reflection
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.
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Science>Physics>Light>Laws of Reflection
What is the angle of reflection when a ray of light is incident normally on a plane mirror?
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Science>Physics>Light>Laws of Reflection
An incident ray makes an angle of 75° with the surface of a plane mirror. What will be the angle of reflection?
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Science>Physics>Light>Laws of Reflection
Define the angle of reflection.
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Science>Physics>Light>Laws of Reflection
What is meant by 'incident ray'?
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Science>Physics>Light>Laws of Reflection
What is 'normal' in the reflection of light from a plane mirror?
MEDIUM
Science>Physics>Light>Laws of Reflection

Study the given figure. It shows a wall and two plane mirrors. Aman is standing behind the wall. From the mirrors, he is able to see Akshat. At which of the following positions is Akshat standing?

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Science>Physics>Light>Laws of Reflection
How many reflected rays can there be for a given single incident ray falling on a plane mirror?
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Science>Physics>Light>Laws of Reflection
A ray of light is incident normally (perpendicularly) on a plane mirror. Where will this ray of light go after reflection from the mirror?
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Science>Physics>Light>Laws of Reflection
What do you understand by the term 'point of incidence'?
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Science>Physics>Light>Laws of Reflection
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection?
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Science>Physics>Light>Laws of Reflection

The angle between the incident ray and the normal is called _____.
(Choose one of the following: angle of incidence/ angle of refraction/ angle of emergence).