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प्रश्न
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
उत्तर
Focal length is the distance between pole (P) and focus (F)
(F) Focus is a point on principal axis where rays of light appear to meet.
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संबंधित प्रश्न
Name the spherical mirror which can produce a virtual and diminished image of an object.
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
Select the correct option:
Which mirror is used in periscope?
Which of the following has curved reflecting surface?
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
In torches, search lights and headlights of vehicles the bulb is placed ______.
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
