White light while passing through a glass prism breaks up into light of different colours because
refractive index of glass with respect to colours of light is different.
glass prism absorbs white light and emits lights of several colours in different directions.
of total internal reflection of white light inside the prism.
of interference of white light inside the prism.
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