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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
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?
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
- What will be the focal length of this mirror?
- Which type of spherical mirror will it provide?
- State whether this spherical mirror will diverge or converge light rays.
What do you understand by the focus and focal length of a spherical mirror? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
What do you understand by the term real image?
Is real image always inverted?
The spherical mirror with a reflecting surface curved inward is called
The spherical mirror used in a beauty parlour as make-up mirror is _______.
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.
