The Sun is observed to be reddish when it is near the horizon, i.e., in the morning and the evening. This is because
red light is least scattered by atmosphere
red light is most scattered by atmosphere
it is the colour of the Sun in the morning and evening
Earth's atmosphere emits red light
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