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Physics

Physics
Which colour has the highest frequency?

Red
Violet
Indigo
Green

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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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Physics
The quality or tone of a musical sound produced by a stringed instrument depends on

Length of the strings in the instrument
Frequency of vibration
Amplitude of vibration
Wave form of the sound

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Physics
The mercury and sodium street lamps light up because of :

Atomic emission
Electron emission
Electron absorption
Atomic absorption

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Physics
Why do birds not have respiratory trouble at the time of flying at high altitude ?

They use less oxygen
They fly inactively
They have extra air sacs
Their lungs are very large

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Physics
Sending a frame to a group of stations is known as

Spreading
Single casting
Casting
Multicasting

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MORE MCQ ON Physics

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