1. All the energy levels in a band, including the topmost band, in a semiconductor are completely occupied at absolute zero.
2. At some finite temperature T, few electrons gain thermal...
p-type semiconductor
n-type semiconductor
1. The impurity of some trivalent element like B, Al, In, etc. is mixed with semiconductor.
The impurity of some pentavalent element like P, As, Sb, etc. is mixed
2....
Correct option is (D) \(7\,\frac{1}{2}\) hrs
\(\because\) Time taken to fill a \(50\,l\) of tank = 5 hours
\(\therefore\) Time taken to fill a \(75\,l\) of tank \(=\frac5{50}\times75\;hours\)
\(=\frac{75}{10}\;hours\) = 7.5 hours
= 7 hours + \(\frac12\) hours
= \(7\frac12\) hours
It is possible to exercise or be physically active during Ramadan fasting, but it is important to do so safely and in a way that does not compromise your health....
