Given below are two statements, one labelled as Assertion (A) and the other as Reason (R): Assertion (A): Intensity of insolation is not greatest where the Sun's rays strike vertically. Reason (R): Angle of the Sun's rays determines the intensity of insolation upon a horizontal surface.

Which of the following statements with reference to Surface inversion of temperature is/are correct? 1. It causes instability in the lower layers of the atmosphere. 2. This inversion commonly lasts f…

Which of the following statements with reference to Surface inversion of temperature is/are correct? 1. It causes instability in the lower layers of the atmosphere. 2. This inversion commonly lasts f…

A layer in the Earth’s atmosphere called Ionosphere facilitates radio communication. Why ? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wave…

Consider the following statements and choose the right options given below. (1) Earth's surface re-emits heat in the form of Ultra-violet radiation. (2) Clouds and gases reflect about one fourth of t…

The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no…