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Physics

Physics
Sun's heat reaches us by

Convection
Conduction
Radiation
Reflection

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Physics
What is unit of Viscosity ?

Newton second per square meter
Watt per meter per degree celcius
Coulomb
Joule per kilogram per Kelvin

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Physics
In which one of the following the phenomenon of total internal reflection of light is used ?

Formation of rainbow
Twinkling of stars
Working of binoculars
Formation of mirage

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Physics
In beta decay what is emitted

All of these
Electron
Neutron
Proton

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Physics
A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become

C/7
7C
C
14C

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Physics
What principle/law explains the working of the hydraulic brakes in automobiles ?

Posieulle's principle
Archimedes' principle
Bernoulli's law
Pascal's law

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MORE MCQ ON Physics

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