Questions

The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as

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'.

"If I can see you(A)/I am sure you would(B)/be looking beautiful,"Naina said.(C)/No error(D)

Who discovered X-Ray?

Who discovered Penicillin?

Who among the following has been recently awarded with ‘Indian of the year’ award?

Mother Teresa won Nobel Prize for?

Find out the odd word/letters/number/number pair from the given alternatives.

Who is the author of Manimekalai?