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प्रश्न
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
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उत्तर
(a) The person's face is between the pole and focus of the mirror.
(b) The image formed is erect, virtual and magnified.
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संबंधित प्रश्न
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Define the following term in relation to concave mirror.
Principal axis
Define the term Normal.
Complete the following diagrams shown in the below figure by drawing the reflected ray for each incident ray.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
