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UPSC CAPF AC Paper - I
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Who was the inventor of the lightning conductor?

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Important Questions on Physics

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UPSC CAPF AC Paper - I
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A man is sitting on a rotating stool with his arms outstretched. If suddenly he folds his arm the angular velocity of the man would :
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UPSC CAPF AC Paper - I
IMPORTANT
Consider the electromagnetic radiations having wave lengths· 200 nm, 500 nm and 1000 nm. Which wavelength(s) of the following can make visual sensation to a human eye?
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UPSC CAPF AC Paper - I
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A copper wire of radius r and length l has a resistance of R.A second copper wire with radius 2 r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be-
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UPSC CAPF AC Paper - I
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The magnetic effect of electric current was first observed by ?
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UPSC CAPF AC Paper - I
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Who discovered the electric bulb?
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UPSC CAPF AC Paper - I
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Who invented thermoscope an early form of thermometer ?
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UPSC CAPF AC Paper - I
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Who gave the theory of gravity?
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UPSC CAPF AC Paper - I
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Lenz's law is directly related to :