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Physics

Physics
0°K is equivalent to

– 273°C
0°C
273°C
100°C

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Physics
The modulus of rigidity is the ratio of

Shearing stress to shearing strain
Volume stress to volume strain
Longitudinal stress to longitudinal strain
Tensile stress to tensile strain

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Physics
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection

I and II
I, II and III
II and III
I and III

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Physics
Which of the following is an example of continous emission spectrum?

None
Spectrum of a water
Spectrum of an oil frame
Both

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Physics
The temperature at which water boils depends mainly on

Relative humidity
Density
Specific heat
Air Pressure

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Physics
Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

Both
Neither
25 W
100 W

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