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प्रश्न
State the position of object for which the image formed by a concave mirror is of same size.
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उत्तर
If the object is placed at the centre of curvature of a concave mirror, the image formed is of same size.
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संबंधित प्रश्न
A 4 cm tall object is placed on the principal axis of a convex lens. The distance of the object from the optical centre of the lens is 12 cm and its sharp image is formed at a distance of 24 cm from it on a screen on the other side of the lens. If the object is now moved a little away from the lens, in which way (towards the lens or away from the lens) will he have to move the screen to get a sharp image of the object on it again? How will the magnification of the image be affected?
An image formed by a ______ mirror is always of the same size as that of the object.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
The following figure shows a concave mirror with its pole (P), focus (F), and center of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
The image formed in a plane mirror is always inverted.
What is “aperture”?
In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:
