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Physics

Physics
Loudness of sound depends on

Pitch
Amplitude
Wavelength
Frequency

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Physics
Water is not suitable as a calorimetric substance because it :

Has high specific heat
Low latent heat of vapourization
Has high boiling point
Is a good conductor

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Physics
Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

Shining black
Rough white
Shining white
Rough black

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Physics
Why does'nt the hydrogen atom emit X-rays?

It is highly electropositive
Its energy levels are very close to each other
It has only one electron
It is very small in size

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Physics
Hydroscope is an instrument that shows changes in:

Sound under water
Density of liquid
Atmospheric humidity
None of these

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Physics
Which is a correct way to measure wavelength?

Nearest peak to nearest trough
Nearest trough to peak
Nearest peak to peak
None of these

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MORE MCQ ON Physics

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