Physics Which of the following is the unit of perceived loudness of sound ? Decibel Phon Hertz Sone Decibel Phon Hertz Sone ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Visible radiation Ultraviolet radiation X-ray radiation Infrared radiation Visible radiation Ultraviolet radiation X-ray radiation Infrared radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates highest when passing through a Prism Violet Orange Green Indigo Violet Orange Green Indigo ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Sulphur dioxide Nitrogen Ozone Carbon dioxide Sulphur dioxide Nitrogen Ozone Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Depends upon the metal Unchanged Decreases Increases Depends upon the metal Unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures Which conduct electricity only at super-high temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Whose resistance falls almost to zero at very low temperatures ANSWER DOWNLOAD EXAMIANS APP
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