Telangana Board Solutions for Chapter: Human Eye and Colourful World, Exercise 1: Exercise 1

The focal length of a lens suggested to a person with Hypermetropia is $100 \mathrm{cm}$. Find the distance of near point and power of the lens.

Eye is the only organ to visualize the colourful world around us. This is possible due to accommodation of eye lens. Prepare a six line stanza expressing your wonderful feelings.

The size of an object as perceived by an eye depends primarily on

When objects at different distances are seen by the eye which of the following remain constant?

During refraction, _____ will not change.

A ray of light falls on one of the lateral surface of an equilateral glass prism placed on the horizontal surface of a table as shown in figure. For minimum deviation of ray, which of the following is true?

Far point of a person is $5 \mathrm{m}$. In order that he has normal vision what kind of spectacles should he use

The process of re-emission of absorbed light in all directions with different intensities by the atom or molecule is called