Surface tension arises due to
A particle covers equal distance around a circular path in equal interval of time. It has uniform
Which of the following will always produce a diminished image of an object placed before it?
Atomic nuclei are composed of
Which allotrope of carbon is used both as a lubricant and as lead in pencils?
Example of aerosol is
A process that is almost the reverse of photosynthesis is the
Ozone hole was discovered over Antarctica in
Yusho disease, discovered in Japan, is related with pollution due to
The Pyramid of Biomass is invented in which ecosystem?
Decibel is a unit of?
Who discovered circulation of blood in human body?
In diesel engines, ignition takesplace by:
The velocity of light was first measured by:
Which of the following is not a noble gas?