Questions

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.

What is the duration of the world’s shortest X–ray laser has been successfully created by the scientists?

Which Indian nuclear scientist is currently the chairman of the Atomic Energy Commission of India?

Which of the following is natural fiber?

There are total _________ parliamentary seats (Rajya Sabha constituency) in Punjab.

UNESCO Headquarters is in

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'.

According to the Copernican principle, the Earth does not (1)/ occupy a unique position in the Universe while (2)/ implies life on other planets can be a possibility.(3)/ No error (4)

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 cat caught a rat.