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Physics

Physics
Energy travels from Sun to Earth through

Conduction
Modulation
Convection
Radiation

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Physics
The earth-wire of a cable is connected to

The filament of the appliance
The fuse of the appliance
Short circuitry of the appliance
The outer metallic body of the appliance

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Physics
Which colour has the highest frequency?

Green
Red
Violet
Indigo

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Physics
It is easy to burst a gas-filled balloon with a needle than with a nail. It is because

Nail exerts more pressure than needle on the balloon.
Needle exerts more pressure than nail on the balloon.
Gas is reactive with the needle.
Nail is more longer than needle.

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Physics
When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as

Resonance
Doppler effect
Echo
Beats

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Physics
What is the minimum escape velocity of rocket to be launched into space ?

6 Km/Sec.
5 Km/Sec.
11 Km/Sec.
15 Km/Sec.

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MORE MCQ ON Physics

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