Question 1:
Name the type of lens found in the human eye.
Name the type of lens found in the human eye.
Answer:
Convex lens
Question 2:
Figure 1 shows two types of lenses.
Answer:
(a)(i) Lens X: Concave lens/ Diverging lens
Figure 1 shows two types of lenses.
(a) Name the following types of lenses:
(i) Lens X
(ii) Lens Y
(b)(i) Which lens functions as a diverging lens?
(b)(ii) Which lens functions as a converging lens?
(c) Mark the focal point of lenses X and Y with the letter F.
Answer:
(a)(i) Lens X: Concave lens/ Diverging lens
(a)(ii) Lens Y: Convex lens/ Converging lens
(b)(i) Lens X
(b)(ii) Lens Y
(c)
Question 3:
How is the convex lens used as a magnifying glass?
How is the convex lens used as a magnifying glass?
Answer:
Object is placed between focal point, F, and optical centre.