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Physics

Physics
In sunlight a rose appears red. In green light, the same rose appears

Red
Yellow
Black
Green

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Physics
The frequency of direct current is ________

100 HZ
60 HZ
50 HZ
Zero

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Physics
The earth-wire of a cable is connected to

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

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Physics
The temperature which has the same reading on both Fahrenheit and Celsius scales is

–40°
40°
32°
0°

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Physics
The electric current in a metal wire is due to the flow of -

Protons
Ions
Holes
Electrons

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Physics
Which colour has the highest frequency?

Green
Violet
Red
Indigo

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MORE MCQ ON Physics

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