A. it is impossible to get a completely filled conduction band. B. It is impossible to get completely empty Valance band.
Consider the 3 -puzzle problem shown in figure.
A boy rolls a rubber ball on a wooden surface. The ball travels a short distance before coming to rest. To make the same ball travel longer distance before coming to rest, he may
When A is an impossible event, then what is P(A)?
Some iron beads are embedded in wax ball which is just floating in water. The volume of ball is 18 cm^(3) and relative density of waxis 0.9 .Then mass of the iron trapped in the ball is
