Chapter 11: Human Eye and Colourful World
Here is the compilation of all intext and exercise questions from Chapter 11: Human Eye and Colourful World (Class 10 NCERT Science textbook):
Intext Questions
Page 197:
- Why does the sky appear blue?
- Why do we see the sun as red or orange at sunrise and sunset?
Page 199:
3. What is the cause of scattering of light?
4. Why does the moon appear reddish-orange during a lunar eclipse?
Page 201:
5. What is the effect of the size of the pupil on the amount of light entering the eye?
6. Why do we get a rainbow after a rainstorm?
Page 204:
7. Why does a person need to wear spectacles?
8. What is the power of a lens?
Exercise Questions
Page 206-207:
What is the function of the iris in the human eye?
Explain why we see different colours in the rainbow.
Why does the white light split into different colours when passed through a glass prism?
How is the power of a lens related to its focal length?
Why do stars twinkle?
Explain the working of a magnifying glass.
What is the difference between myopia and hypermetropia? How can they be corrected?
Why does the sky appear blue during the day and red during the sunset?
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