If f: AvecA ,g: Avec are two bijections, then prove that fog is an injection (ii) fog is a surjection.
If f: A->A ,g: A->A are two bijections, then prove that (i) fog is an injection (ii) fog is a surjection.
Explain the working of the disappearing filament pyrometer.
If f: A->A ,\ \ g: A->A are two bijections, then prove that fog is an surjection.
When does synthesis of DNA end ?
When does the nucleus of an atom tend to be radioactive ?
Assertion. When charges are shared between any two bodies, no charge is really lost but some loss of energy does occur. Reason. Some energy disappears in the from of heat, sparking etc.
Assertion. When charges are shared between any two bodies, no charge is really lost but some loss of energy does occur. Reason. Some energy disappears in the from of heat, sparking etc.
