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प्रश्न
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
उत्तर
Focus of a concave mirror: The focus of a concave mirror is a point on the principal axis through which the light rays incident parallel to principal axis, pass after reflection from the mirror.
Focal length of a concave mirror: The distance of the focus from the pole of the concave mirror is called its focal length.
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संबंधित प्रश्न
We can obtain a real, enlarged and inverted image by a concave mirror.
Which type of mirror can form a real image?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
State whether the image in part (a) is real or virtual?
Complete the following diagrams shown in the following figures by drawing the reflected rays.
