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 The term ''equinox' means When the day and night are of equal duration The path which the Earthtakes around the Sun The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon The axis of the Earth around which it rotates When the day and night are of equal duration The path which the Earthtakes around the Sun The time when the Sun seems to be going round and round in the sky in the Arctic but does not go below the horizon The axis of the Earth around which it rotates ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Infrared Visible Ultraviolet X-ray Infrared Visible Ultraviolet X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics Let a thin capillary tube be replaced with another tube of insufficient length then, we find water will not rise will overflow change its meniscus depressed will not rise will overflow change its meniscus depressed ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 1000 0.016 0.008 2000 1000 0.016 0.008 ANSWER DOWNLOAD EXAMIANS APP
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