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Physics

Physics
Electric current is measured by which instrument?

Ammeter
Sinometer
Barometer
Voltmeter

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Physics
When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will:

Four times
Remain same
Three times
Double

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Physics
Who gave black hole theory?

Isaac Newton
Stephen Hawking
None of these
Albert Einstein

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Physics
Eclipses occur due to which optical phenomena?

Reflection
Rectilinear propagation
Diffraction
Refraction

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

enable it to withstand higher voltages
increase its electrical conductivity
increase its life
increase its electrical resistivity

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Physics
An instrument that records earthquakes is

Ergograph
Thermograph
Ediograph
Seismograph

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MORE MCQ ON Physics

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