Select the incorrect relation. (Where symboles have their usual meanings):-

For an isothermal irreversible expansion of 1mole of a perfect gas, identicy the correct relation, where symbols have their usual meaning

Choose the correct arrangement, where the symbols have their usual meanings

Derive the relation F=ma , where the symbols have their usual meanings.

Choose the correct expression for the pointing vector vec S in free space. (Where symbols have their usual meanings)

Show that beta=2prop where symbols have their usual meaning.