Questions

If the radius of the earth decreases and its mass remains the same, then the value of "acceleration due to gravity" will _____ .

A current I flows through a resistor. A source maintains a potential difference of V across the resistor. The energy supplied by the source in time t is 

If the angle of incidence formed on a concave mirror at a point is 30 deg then the angle of reflection will be

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 dislikes the word, isn't he?

The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

By the time government
X-offices or educational institutions
Y-open, many daylight
Z-hours are already lost

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

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'.

This is the sportsperson(A)/whom I think has won(B)/the much coveted prize.(C)/ No error(D)

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

Smell a rat