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Physics

Physics
An instrument that records earthquakes is

Ediograph
Seismograph
Thermograph
Ergograph

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Physics
The different colours of different stars are due to the variation of

Pressure
Radiation from them
Temperature
Density

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Physics
The snow on the mountains does not melt all at once when it is heated by the sun because:

It has a high latent heat of fusion
It becomes very hard
It has a low specific heat capacity
It reflects most of the heat from the sun

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Physics
A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 )

20 J
400J
200J
40J

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Physics
Materials that allow electricity to flow are called

Stimulators
Insulators
Electron flows
Conductors

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Physics
The best material for the core of a transformer is

Mild steel
Hard steel
Soft iron
Stainless steel

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MORE MCQ ON Physics

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