Physics
The angle in which a cricket ball should be hit to travel maximum horizontal distance is :

15° with horizontal
45° with horizontal
60° with horizontal
30° with horizontal

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Physics
In a bipolar junction transistor

The base has the least concentration of impurity
The emitter has the least concentration of impurity
The collector has the least concentration of impurity
All the three regions (the emitter, the base and the collector) have equal concentrations of impurity

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