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Physics

Physics
Where is a transistor most likely to be found ?

Wrist watch
Hearing aid
Fuse
Fluorescent lamp

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Physics
Which alternative energy source is exhaustible?

Geothermal energy
Tidal energy
Solar energy
Wind energy

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Physics
Which type of reaction produces the most harmful radiation ?

Fission reaction
Chemical reaction
Fusion reaction
Photo-Chemical reaction

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Physics
Damp clothes are dried in spin dryers by the action of

Central forces
Non central forces
Centrifugal forces
Centripetal forces

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Physics
The earth-wire of a cable is connected to

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

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Physics
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

0.052777777777778
0.084027777777778
0.16736111111111
0.044444444444444

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