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प्रश्न
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उत्तर
A concave mirror forms a real image equal in size to the object when the object is kept at centre of curvature, C
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संबंधित प्रश्न
Image formed by a convex ______ is always virtual and smaller in size.
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Which of the following has curved reflecting surface?
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:
