Answer:
Correct option is B)
According to de-Broglie,
λ=mvh=6.023×10232×5×104cm/sec6.62×10−27ergsec=4×10−8cm=4Ao
If the ball is dropped from a higher height than the feather their rates of displacement (acceleration) could match.
Answer:
Melting Is when a substance is actually melting and melting point is a point at which a substance is able to melt.
It is protons that are involved for chemical bonding
Answer:
During separation of substances with different boiling points, fractional distillation is used.
During separation of substances in an eutectic mixture or azeotropic mixture, steam distillation is used.