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Question
Define the term Pole.
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Solution
Pole is the centre of the reflecting surface, in this case, a spherical mirror.
RELATED QUESTIONS
We can obtain a real, enlarged and inverted image by a concave mirror.
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of carbon paper for some time, a hole is burnt in the carbon paper.
- What is the nature of spherical mirror?
- Why is a hole burnt in the carbon paper?
- At which point of the spherical mirror the carbon paper is placed?
- What name is given to the distance between spherical mirror and carbon paper?
- What is the advantage of using a carbon paper rather than a white paper?
Name the spherical mirror which can produce a virtual and diminished image of an object.
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
What is the focal length (f) of a mirror?
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
