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प्रश्न
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उत्तर
(i) The distance from the pole in the direction of incident ray is taken positive.
(ii) The distance from the pole in the direction opposite to the incident ray is taken negative.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Principal focus
A virtual image larger than the object can be produced by a ______.
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
The diagram below shows the parallel rays incident on a convex mirror. C is the centre of the curvature of the mirror. By drawing the paths of the reflected rays, label the focus F and hence find the focal length of the mirror.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
In torches, search lights and headlights of vehicles the bulb is placed ______.
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
A shopkeeper wanted to fix a mirror which will give a maximum view of his shop. What type of mirror should he use? Give reason.
