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प्रश्न
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below
What are the angles of incidence and reflection?
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उत्तर
The angle of incidence = angle of reflection = 0° because the image is perpendicular to the surface of the plane mirror.
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संबंधित प्रश्न
Explain the following term:
Reflected ray. Draw diagram/diagrams to show them.
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
An object OA is placed on the principal axis of a concave mirror as shown in the figure. Copy and complete the diagram to show the formation of image.
A boy is standing in front of a plane mirror at a distance of 3 m from it.
(i) What is the distance between the boy and his image?
(ii) If the boy moves 1 m backward, find the distance between the image and the boy.
State whether the following statement is true or false. If false, correct it.
If the incident ray makes an angle of Xo with the normal, then the reflected ray is 2Xo.
An object is placed in front of a convex mirror of focal length 25 cm. By scale, a drawing shows the formation of image and states the nature of image.
Given that v = 10 cm.
Define reflection.
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Higher Order Thinking Skills.
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
