Have a look at the posture of this girl who is reading a book and answer the questions which follow :
(a) Name the problem she is facing
(b) What are the two conditions shown in sections A and B of the eye as applicable to her.
(c) What kind of reading glasses does she need?

Q. Have a look at the posture of this girl who is reading a book and answer the questions which follow:
(b) What are the two conditions shown in sections A and B of the eye as applicable to her?

Q.

Have a look at the posture of this girl who is reading a book and answer the questions which follow:
(c) What kind of reading glasses does she need?

Q. Have a look at the posture of this girl who is reading a book and answer the questions which follow:
(a) Name the problem she is facing.

Q. A lady cannot see objects closer than 40 cm from the left eye and closer than 100 cm from the right eye. While on a mountaineering trip, she is lost from her team. She tries to make an astronomical telescope from her reading glasses to look for her teammates. (a) Which glass should she use as the eyepiece? (b) What magnification can she get with relaxed eye?

Q. Diary of Anne Frank is a book that was written by a young girl, who was living during the second world war, about her experiences. She wrote a diary about her life, and her father made it a book for the world to read. What kind of source is this book?