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Physics

Physics
Sound waves cannot travel in

Water
Hydrogen gas
Vacuum
Glass

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Physics
Radio telescopes are better than optical telescopes because

All of these
they can detect faint galaxies which no optical telescope can
they can work even in cloudy conditions
they can work during the day and night

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Physics
The flux commonly used in brazing is

Borax
Resin plus alcohol
Ammonium chloride
Zinc chloride

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Physics
Air coolers are more suitable for

Cool and humid climate
Hot and humid climate
Hot and dry climate
Cool and dry climate

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Physics
On which principle does the hydraulic lift works?

Newton's law
Archimedes's law
Joule's law
Pascal's law

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Physics
At hill stations, the boiling point of water will be

Less than that at sea level
Equal to the melting point of ice
More than that at sea level
Same as at sea level

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MORE MCQ ON Physics

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