Physics Instrument used to study the behaviour of a vibrating string is : Barometer Hydrometer Hygrometer Sonometer Barometer Hydrometer Hygrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Lux is the SI unit of intensity of illumination luminous efficiency luminous flux luminous intensity intensity of illumination luminous efficiency luminous flux luminous intensity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Black White Blue Grey Black White Blue Grey ANSWER DOWNLOAD EXAMIANS APP
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