Questions

Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.

If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

The groom said to the bride, "I will take good care of you."

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

______ citizen of India must know about our country’s history, struggle, culture and other important things.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Artifice

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

“German is easy to teach”, she said.

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
John was arrested on a charge of murder, but for lack of evidence he was released.

Which of the following represents the pair of sex chromosomes in women?