Physics
The word ''insolation' means

Insoluble matters
Matters which insulate
None of these
Incoming solar radiation

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Physics
In a bipolar junction transistor

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

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Physics
When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is

Below a certain minimum value irrespective of amount of water in the pail
Below a certain minimum value depending on amount of water in the pail
Above a certain minimum value depending on amount of water in the pail
Above a certain minimum value irrespective of amount of water in the pail

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