Basic Electricity MCQs
11. Question
A laser beam is used for carrying out surgery because
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12. Question
A signal emitted by an antenna from a certain point can be recieved at another point of the surface in the form of
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13. Question
When hydrogen atom is in its first excited level, its radius is
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14. Question
Candela is the unit of
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15. Question
A ray of light is passing from air into glass. If the angle of incidence, with respect to the normal to the interface, is increased, then
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