Physics Sound becomes hazardous noise pollution at decibels? Above 120 db Above 30 db Above 80 db Above 50 db Above 120 db Above 30 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Whose conductivity is intermediate between metals and insulators Which turn into insulators at very low temperatures Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Ammeter Rectifier Transformer Galvanometer Ammeter Rectifier Transformer Galvanometer ANSWER DOWNLOAD EXAMIANS APP
Physics Vegetables are cooked in lesser time by adding a pinch of salt while cooking because Boiling point of water decreases Latent heat of vaporization of water decreases Boiling point of water increases Latent heat of vaporization of water increases Boiling point of water decreases Latent heat of vaporization of water decreases Boiling point of water increases Latent heat of vaporization of water increases ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Mercury thermometers Colour thermometers Pyrometers Gas thermometers Mercury thermometers Colour thermometers Pyrometers Gas thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics The word "Physics" comes from the Greek word Phiji Fusis None of these Phusik Phiji Fusis None of these Phusik ANSWER DOWNLOAD EXAMIANS APP
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