Questions

The centre of the reflecting surface of a spherical mirror is a point called the ___.

A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.

A compressed spring possesses more energy than a spring of normal length because the compressed spring has

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

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'.

A balanced diet is one that provide (1)/ an adequate intake of energy and nutrients (2)/ for maintenance of the body and therefore good health. (3)/ No error (4)

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate itby selecting the appropriate option.

Corruption not only generates black money but ______ criminals.

A sentence has been given in Active/Passive Voice.  Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

The rascal cheated him out of his money.