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Physics

Physics
Which term is not associated with sound wave?

Candela
Hertz
Decibel
Mach

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

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

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Physics
The force which makes a vehicle to stop when break is applied is called

Gravitational force
Frictional force
Vanderwalls force
Covalant force

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Physics
The word ''insolation' means

Incoming solar radiation
Insoluble matters
Matters which insulate
None of these

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV < lIR < lVIS
LUV > lVIS > lIR
LUV < lVIS < lIR
LUV > lIR > lVIS

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Physics
Flight Recorder is technically called :

Altitude meter
Blind box
Black box
Dark box

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