A gold leaf electroscope has two ....................... (ebonite/gold) leaves hanging parallel to each other.

If a body touching the disc of an uncharged gold leaf electroscope makes its leaves .................. we can say that body is charged.

Two charge of same nature are moving parallel to each other,they will

More than two leaves are present at each node in

Two straight lines are cut by a transversal. If the bisectors of a pair of co-interior angles are perpendicular to each other , prove the two straight lines are parallel to each other.

Two lines are respectively perpendicular to two parallel lines. Show that they are parallel to each other.

Prove that two lines perpendicular to the same line are parallel to each other.

Prove that two lines perpendicular to the same line are parallel to each other.

Prove that two lines perpendicular to the same line are parallel to each other.

A glass rod rubbed with silk is used to charge a gold leaf electroscope and the leaves are observed to diverge. The electroscope thus charged is exposed to X -rays for a short period. Then

Two streams of electrons are moving parallel to each other in the same direction. They