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प्रश्न
Large ______ mirrors are used to concentrate sunlight to produce heat in solar furnaces.
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उत्तर
Large concave mirrors are used to concentrate sunlight to produce heat in solar furnaces.
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संबंधित प्रश्न
List four specific characteristics of the images of the objects formed by convex mirrors.
If the focal length of a convex mirror is 25 cm, what is its radius of curvature?
For what position of an object, a concave mirror forms a real image equal in size to the object?
According to the "New Cartesian Singh Convention" for mirrors, what sign has been given to the focal length of:
a convex mirror?
A large concave mirror has a radius of curvature of 1.5 m. A person stands 10 m in front of the mirror. Where is the person's image?
If the object is moved further away from the mirror, what changes are there in the position and size of the image?
A student obtained a sharp image of the grills of a window on a screen using a concave mirror. His teacher remarked that for getting better results a well lit distant object (preferably the sun) should be focussed on the screen. What should be done for this purpose?
(A) Move the screen slightly away from the mirror
(B) Move the mirror slightly towards the screen
(C) Move the screen and the mirror away from the object
(D) Move the screen and the mirror towards the object
Give any two applications of a concave and convex mirror.
Under which of the following conditions a concave mirror can form an image larger than the actual object?
Which type of mirror is used in the following?
Head lamps of a car
