Question

3. The power of a lens is defined as the reciprocal of
its
(a) Focal length in cm (6) Pole in m
(c) Focal length in m (d) Image distance in cm
4. The human animal which has XX pair of
chromosome is called:
(a) male
(6) female
(c) hybrid
(d) doomed
5. A horizontal row in the periodic table is called as
(a) shell
(b) period
(c) group
(d) sub-shell
6. Formation of multiple images in the eyes is avoided
the otion of​

Answer 1

Answer:

1-c)focal length in m

2-b)female

3-b)period

Answer 2

Answer:

3-(c)

4-(female)

5-(group)