Rays of light get refracted while passing from air to glass because
density of glass is higher than that of air.
hey cannot be reflected from a glass surface.
glass absorbs energy from the light rays.
peed of light in glass is less than the speed of light in air.
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