Question

2. State whether the following statements are true or false:

(i)Kinetic energy can be negative.
(ii)Evaporation takes place at all temperatures.
(iii) Sounds with the same level of amplitude but a different frequency will have a
different loudness to the human ear.
(iv) the images formed by a convex mirror can be obtained on screen.​

Answer 1

Explanation:

1) true 2) true 3) false 4) true