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Physics

Physics
Permissible noise level at Residential area during night time is :

45 dB (A)
80 dB (A)
55 dB (A)
75 dB (A)

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Physics
Who among the following gave the Uncertainty principle?

S.N Bose
Werner Heisenberg
Ernset Rutherford
R.A Milkman

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Physics
The instrument for measuring intensity of earthquakes is called

Ergograph
Pantagraph
Ediograph
Seismograph

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Physics
When heated from 0 to 100oC volume of a given mass of water will :

Increase and then will decrease
Increase gradually
Decrease gradually
Decrease and then will increase

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Physics
The function of ball bearings in a wheel is :

To convert static friction into kinetic friction
To convert kinetic friction into rolling friction
Just for convenience
To increase friction

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Physics
Hydraulic machines work under the Principle of :

Pascal's Law
Floatation Law
Joules Law
Newton's Law

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