Questions

Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

Study of earth is known as

Fabric made from_________ does not get wrinkled easily.

Invisible export means export of ___________

Addition of suitable impurities into semiconductor, is called

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence inIndirect/Direct Speech.

“Where do you come from?” asked the stranger.

In the following question, sentence given with blank to be filled in with an appropriate word(s). Four alternatives are suggested for the question. Choose the correct alternative out of the four and indicate it by selecting the appropriate option.

The authorities would not ______ to the strikers' demands.

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

Essay writing is an art (A) / that requires many planning (B) / on the part of the writer. (C) / No Error (D)