MEDIUM
10th CBSE
IMPORTANT
Earn 100

The near point of a hypermetropic person is 60 cm. What is the power of the lens required to enable the person to read clearly a book placed at 30 cm from the eye?

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>PROBLEMS FOR PRACTICE>Q 5
The near point of a hypermetropic eye is at 75 cm from the eye. What is the power of the lens required to enable him to read clearly a book held at 25 cm from the eye?
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 1>Q 1
What are the apparatus required in performing the experiment tracing the path of a ray of light passing through a prism?
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 2
Define the angle of deviation.
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 1>Q 3
Define the power of accommodation of the human eye. 
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 4
What do you mean by the persistence of vision?
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 1>Q 5
Draw a neat labelled diagram of the human eye.  
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 6
What is myopia? How is it caused? How can it be corrected? Explain with the help of a diagram.
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.