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प्रश्न
Identify the following kind of beam of light.
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उत्तर
A parallel beam of light
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संबंधित प्रश्न
Fill in the blank
A ________ image cannot be obtained on a screen.
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 :
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
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(b) What is the distance between the insect and its image?
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Two plane mirrors are placed making an angle 60° in between them. For an object placed in between the mirrors, the number of images formed will be :
What should be the minimum size of a plane mirror, so that a person 182 cm high can see himself completely?
