Questions

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Industries should regularly check (1)/ if their machines are emitting (2)/ smoke within permission limits. (3)/ No error (4).

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

Birds of a feather flock together

Electrons move around the nucleus in _______ motion.

___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.

Which country has banned 'Facebook' ?

All doubts and disputes in connection with election of the President are inquired into and decided by __________ .

If a body slides over a surface, the force resisting the motion between them is called ______.

Which rays cause skin damage?