In terms of concentration of impurity (a.k.a impurity doping concentration, often abbreviated to doping concentration), from the highest to the lowest among the three regions of a bipolar junction, emitter, collector, and base are the correct order. The above order is independent of the type of BJT, npn or pnp

The emission of gamma rays does not alter the number of protons or neutrons in the nucleus but instead has the effect of moving the nucleus from a higher to a lower energy state (unstable to stable)

In dealing with a coil spring the spring constant will depend on the stiffness of the spring material, the thicknessof the wire from which the spring is wound and, diameterof the turns of the coil, the number of turns per unit length and the overall length of the spring.

Madhya Pradesh has the largest Tribal population. It has more than 1.6 crore Schedule Tribe population who are 21% of state population according to 2011 census.Second highest is Odisha by numbers.The population of Mizoram in 2001 Census has been 888,573. Of them, 839,310 are Scheduled Tribes (STs) constituting 94.5 per cent of the total population of the state.The population of Nagaland in 2001 Census has been 1,990,036. Of these, 1,774,026 are Scheduled Tribes (STs) constituting 89.1 per cent of the total population of the state.The total population of Arunachal Pradesh in 2001 Census has been 1,097,968. Of these 705,158 persons are Scheduled Tribes (STs), constituting 64.2 per cent of the total population