Explain the Sound ?
why copper is a bad conducter at low temperature?
A coil of wire that produces a magnetic field is typically called a
What is the Condensation ?
Explain the Washing soda ?
What is the essence of quantum physics? What makes it so different from classical physics? : quantum physics
while climbing a hill or mountain we bend forward. give a scientific expalantion in a simple way
Explain what is the heterogenous?
How much does two pints of water weigh when frozen?
What is the quantity?
In Einstein's mass energy relation E=mc2 why velocity of light is used and never ordinary velocities?what is the exact explanation?
What is meant by refraction of a wave?
the resolutions of a michelson interferometer operating with a light source of 640nm wavelenth is A.1280nm B.640nm C.80 nm D.1nm