Questions

___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.

India has how many states?

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 teacher said, "The Earth revolves around the sun."

Bihu is a folk dance of which state?

Who wrote the book 'Glimpses of World History'?

Madhuri Dixit is associated with which Indian Dance form?

The vertical angle A of an isosceles triangle ΔABC is three times the angle B of it. The measure of the angle A is

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?