1) In a large tank of liquid, the hydrostatic pressure at a given depth is a function of ____

-depth

-surface area

-liquid density

-depth and liquid density

2) You uses a converging lens of focal length 10.0 cm to look at a tiny insect on a book page. The lens is 50cm from the paper. Where is the image of the insect

- 10 cm

- 0.30 cm

- 3.33 c

- -10 cm

3) You have two identical ropes stretched with the same force between two different sets of posts. The second rope is twice as long as the first rope. The velocity of a wave in the second rope is _____ the velocity of a wave in the first rope.

- 1/2

- 1/ (square root) 2 times

- the same as

- (square root) 2 times

- 2 times