Choose the most appropriate answer:Natural radioactivity was discovered by
Natural radioactivity was discovered by Henri Bacquerel.
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In nuclear reactor, cadmium rods are used as which of the following?
___________________states that the induced e.m.f. is directly proportional to the rate of change of magnetic flux linkage or rate of cutting of magnetic fluxlinkage.
Which glass is used to make spectacles?
The SI unit of G, the universal gravitation constant is ______________.
What is the SI unit of Force?
In hydel power station, the motion produced in turbines is due to
The ratio of change in velocity of a body to the total time taken by it is its __________________.
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