Questions

A ball, thrown vertically upward, rises to a height of 80 m and returns to its original position. The magnitude of its displacement after 7 s of motion will be ____. (take g = 10 m/s2)

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

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'.
While he went beside (1)/ with our decisions, we were (2)/ never sure he totally agreed. (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.

To bite the bullet

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'.

It is not (A)/ such a pretty place (B)/ that I had expected. (C)/ No Error (D)

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’.
If you had (1)/ told me earlier (2)/ I will help you. (3)/ No Error (4)

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'.
The reason Priya was late (1)/ to the meeting is because her (2)/ flight was delayed. (3)/ No Error (4)

A manufacturer faces price elasticity of demand of a -2 for its product. If it lowers its price by 5%, the increase in quantity sold will be