How to caluculate the luminous efficiency?
what is the difference between covalent solid and ionic solid?
HOW do u caluculate the luminous efficiency?
What is your definition of a quasar?
what is a geostationary satellite?what are its applications?
2 Answers Geo Research Centre,
what is principle of superposition?
what are black holes?
what is the difference between delta G and delta G powers zero?
why do some stars end up as black holes but others don't?
what is lateral magnification?
What causes sonoluminescence?
How is time changed in a Blackhole?
Are protons unstable?