Education, Language, Casteism, Communalism, Regionalism
OR
National unity is extremely essential for social peace and harmony. We can enjoy peace and security, if there is mutual trust and goodwill among all sects....
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....
Natural polymers are high molecular mass macro molecules and are found in plants and animals,
e.g. proteins, nucleic acids.
Synthetic polymers are man-made high molecular mass macro molecules. These include synthetic plastics,...
