Questions

The pH of a solution, whose hydrogen ion concentration is 1 x 10 mole per litre, will be ____.

Myopia is a defect of eyes which is also known as

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

I closed the window just in time and (return) to my room with relief.

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'.

Sorry to have(A)/troubled you; since(B)/it couldn't be helped.(C)/No error(D)

The attenuation in optical fibre is mainly due to

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.

The Speaker of the sixth Lok Sabha who later became the President of India was _____ .

Which colour is formed when Red and Green are mixed?