Lakhmir Singh and Manjit Kaur Solutions for Chapter: The Human Eye and The Colourful World, Exercise 9: Multiple Choice Questions (MCQs)

A young man has to hold a book at arm's length to be able to read it clearly. The defect of vision is:

After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles:

Left eye: $+2.00 \mathrm{D}$, Right eye: $+2.25 \mathrm{D}$

The child is suffering from the defect of vision called

A person got his eyes tested. The optician's prescription for the spectacles reads:

Left eye: $-3.00 \mathrm{D}$, Right eye: $-3.50 \mathrm{D}$

The person is having a defect of vision called

A student sitting on the last bench in the class cannot read the writing on the blackboard clearly, but he can read the book lying on his desk clearly. Which of the following statement is correct about the student?

A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man?

The defect of vision in which the eye-lens of a person gets progressively cloudy, resulting in blurred vision is called:

A person cannot see distant objects clearly. His vision can be corrected by using the spectacles containing:

A person finds difficulty in seeing nearby objects clearly. His vision can be corrected by using spectacles containing: