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 for a few hours until the Sun comes up. Select the answer using the code given below :

With reference to “water vapour”, which of the following statements is/are correct? 1. It is a gas, the amount of which decreases with altitude. 2. Its percentage is maximum at the poles. Select the…

Which of the following statements with reference to Water Vapour in the atmosphere is/are correct? 1. It has a role to play in the stability and instability in the air. 2. It acts like a blanket allo…

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…

Which of the following statements regarding clouds is/are correct ? 1. Clouds are classified on the basis of altitude and their form. 2. According to altitude they are classified as High, Middle and…

Which of the following statements regarding 'aurora' is/are correct ? 1. The solar wind upon reaching the Earth's atmosphere is directed towards two magnetic poles and a colourful display of lights i…