The compound that has the least value for Octane number is: n-heptane
The wire of flash bulbs is made up of: Mg
Which phenomenon produces the colors in soap bubbles? Interference
A well cut diamond shines brightly because: of total internal reflection
Cylindrical lens are used to correct: Astigmatism
Ultraviolet rays coming from the sun are filtered by: Ozone layer
The type of lens found in the human eye is: Biconvex
Water freeze in cold temperature conditions firstly at: Top Surface
Study of Weather is called: Meteorology
Study of Plants is called: Botany
