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प्रश्न
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उत्तर
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संबंधित प्रश्न
Image formed by a convex ______ is always virtual and smaller in size.
An image which can be obtained on a screen is called a ______ image.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Draw separate diagram for the formation of virtual image of an object by a concave mirror.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
The spherical mirror used as a rear view mirror in the vehicle is
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
