Questions

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

A router is a networking device that forwards data packetsand is connected to two or more data lines from differentnetworks. Which among the following was the earliestdevice which had almost the same functionality as that of a router?

Who was the first President of the Indian National Congress?

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To break the ice

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'.

He explained that the pillars of tribalism (1)/ that humans rely on for security would always (2)/ counter any significant culture or social change. (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 it by selecting the appropriate option.

He won’t pay the rent ______ how many times his landlord berates him.

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 it by selecting the appropriate option.

In the court of god we will be judged by our action and ______.

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

Keep your chin up