MEDIUM
10th CBSE
IMPORTANT
Earn 100

What is myopia? How is it caused? How can it be corrected? Explain with the help of a diagram.

Important Questions on The Human Eye and Colourful World

MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 1>Q 7
Make a diagram to show how hypermetropia can be corrected. The near point of a hypermetropia eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm. 
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 1
What is the angle of deviation in the diagram given below?
Question Image
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 2
What does PQ and x represent?
Question Image 
HARD
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 3
Explain dispersion with the help of a diagram.
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 4
Why danger signals are of red colour? 
MEDIUM
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 5
What is the Rayleigh’s law of scattering?
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 6
Why sun appears reddish during sunrise and sunset?
EASY
10th CBSE
IMPORTANT
Science Part-I NEW ERA PHYSICS Textbook for Class X>Chapter 5 - The Human Eye and Colourful World>Test Your Self Exercise 2>Q 7
Explain the refraction of light through a glass prism with a labelled ray diagram.