MEDIUM
10th CBSE
IMPORTANT
Earn 100

A person is unable to see distinctly the words printed on a newspaper. Name the defect of vision he is suffering from. Draw ray diagram to illustrate this defect. List its two possible causes. Draw a ray diagram to show how this defect may be corrected using a lens of appropriate focal length.

Important Questions on Human Eye and Colourful World

MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 11 - Human Eye and Colourful World>SELF-ASSESSMENT TEST>Q 1

A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in figure. In which of the following cases after dispersion does the third colour from the top correspond to the colours of the sky?

EASY
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 11 - Human Eye and Colourful World>SELF-ASSESSMENT TEST>Q 1
The human eye forms the image of an object at its
MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 11 - Human Eye and Colourful World>SELF-ASSESSMENT TEST>Q 1
An old person can see objects lying between 0.5 m and 2 m. He is suffering from
MEDIUM
10th CBSE
IMPORTANT
Xamidea COMPLETE COURSE SCIENCE Class X>Chapter 11 - Human Eye and Colourful World>SELF-ASSESSMENT TEST>Q 3
A cut diamond sparkles due to _____. (Total Internal Refraction/ Total Internal Reflection)