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प्रश्न
Explain the following term:
Normal Draw
diagram/diagrams to show them.
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उत्तर
Normal: The perpendicular drawn at the point of incidence, to the surface of the mirror is called normal.
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संबंधित प्रश्न
Select the correct alternative
The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :
The diagram in Fig. shows an incident ray AO and the reflected ray OB from a plane mirror. The angle AOB is 30°. Draw normal on the plane mirror at the point O and find:
A man standing in front of a plane mirror finds his image at a distance 6 metre from himself. What is the distance of man from the mirror?
A ray of light strikes a plane mirror, such that the angle with the mirror is 20°. What is the value of angle of reflection? What is the angle between the incident ray and the reflected ray?
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at facing each other.
What should be the minimum size of a plane mirror, so that a person 182 cm high can see himself completely?
An insect is sitting in front of a plane mirror at a distance of one meter from it.
- Where is the image of insect formed?
- What is the distance between insect and its image?
- State any two characteristics of image formed in a plane mirror.
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
