If a charged plastic straw is brought near another uncharged plastic straw, what will happen?

State whether the following are True or False.

(a) Earthquakes occur all the time all over the world.

(b) The plates of the outermost layer of the earth are always in continuous motion.

(c) Tremors on the earth can also be caused by the eruption of a volcano.

(d) The process of electric discharge cannot occur between clouds and the earth.

(e) Bathing outdoors should be avoided during a thunderstorm.

Is it possible to predict the occurrence of an earthquake?

The aluminum strips in an electroscope as shown in fig. 15.1 are replaced by plastic strips and a charged body is brought in contact with the metal clip. What will happen?

Plastic straws A and B are rubbed with a dry cotton cloth. What will happen if they are brought near each other?