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प्रश्न
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
What is the advantage of using a carbon paper rather than a white paper?
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उत्तर
A carbon paper is a good absorber of sunlight; hence, it burnt quickly.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal axis
Explain the following term related to spherical lenses:- principal focus
An image that cannot be obtained on a screen is called ______.
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
For what position of object, the image formed by a concave mirror is magnified and erect?
Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
A real and enlarged image can be obtained by using a
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
A straight stick partly dipped in water obliquely appears to be bent at the surface of the water.
Define the following term:
concave mirror
The distance from the pole to the focus is called ______.
Geometric centre of the spherical mirror is ______.
Name the two types of spherical mirrors.
