With reference to the Earth's atmosphere, which one of the following statements is correct ?
The total amount of insolation received at the equator is roughly about 10 times of that received at the poles.
Infrared rays constitute roughly two-thirds of insolation.
Infrared waves are largely absorbed by water vapour that is concentrated in the lower atmosphere.
Infrared waves are a part of visible spectrum of electromagnetic waves of solar radiation.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy