Questions

Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

No sooner did the teacher come into the class when we stood up.

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

He would surely assist me if I had requested him to do so.

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'.

Photosynthesis is (1)/ possible (2)/ because of sun. (3)/ No error (4)

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

a symbol that serves as an emblem of a group of people

In the following question, out of the four alternatives, select the word similar in meaning to the word given.

Cajole

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

An animal that lives in groups

Select the word with the correct spelling.