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प्रश्न
Fill in the blank
A ________ image cannot be obtained on a screen.
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उत्तर
A virtual image cannot be obtained on a screen.
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संबंधित प्रश्न
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
The image formed by a plane mirror is :
Two plane mirrors are placed making an angle θ in between them. Write an expression for the number of images formed of an object placed in between the mirrors. State the condition, if any.
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
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?
State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.
A boy stands 4 m away from the plane mirror. If the boy moves `1/2` m towards the mirror, what is now the distance between the boy and his image? Give a reason for your answer.
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
Identify the following kind of beam of light.
