EXERCISE - 2A
V.K. Sally Physics Solutions for EXERCISE - 2A
Simple step-by-step solutions to EXERCISE - 2A questions of Human Eye and Colourful World from Core Science Physics. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from EXERCISE - 2A with Hints & Solutions
Draw diagrams to show correction made by a suitable lens for hypermetropic eye.
We cannot see an object clearly, if it is placed very close to the eye. Explain.
What is presbyopia? Write two causes of this defect.
A -year old student is not able to see clearly the questions written on the blackboard placed at a distance of from him. Name the defect of vision he is suffering from.
(Choose from: Hypermetropia / Myopia / Presbyopia)
A -year old student is not able to see clearly the questions written on the blackboard placed at a distance of from him. Name the type of lens used to correct this defect. (Convex lens / Concave lens)
Explain the following terms used in relation to defects in vision and correction provided by them:
Astigmatism.
Explain the following terms used in relation to defects in vision and correction provided by them:
Bifocal lenses.
Explain the following term used in relation to defects in vision and correction provided by them:
Far sightedness
