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प्रश्न
Name the kind of mirror used to obtain:
A virtual and diminished image
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उत्तर
Convex
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संबंधित 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.
Why is a hole burnt in the carbon paper?
A 2.0 cm tall object is placed 40 cm from a diverging lens of focal length 15 cm. Find the position and size of the image.
A coin placed at the bottom of a vessel appears to be raised when water is poured in the vessel.
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.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
For what position of object, the image formed by a concave mirror is magnified and erect?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
What is a mirror formula?
Assertion: Incident ray is directed towards the centre of curvature of spherical mirror. After reflection it retraces its path.
Reason: Angle of incidence (i) = Angle of reflection (r) = 0°
