Physics Sound becomes hazardous noise pollution at decibels? Above 50 db Above 120 db Above 80 db Above 30 db Above 50 db Above 120 db Above 80 db Above 30 db ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following devices can be used to detect radiant heat ? Thermopile Six's maximum and minimum thermometer Constant volume air thermometer Liquid thermometer Thermopile Six's maximum and minimum thermometer Constant volume air thermometer Liquid thermometer ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Both (A) and (B) Nature of medium only Neither A nor B Nature of signal only Both (A) and (B) Nature of medium only Neither A nor B Nature of signal only ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Spherical Achromatic Converging Diverging Spherical Achromatic Converging Diverging ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature of a liquid is 32° F. What is its temperature in Celsius scale? 212° C 0° C 100° C 32° C 212° C 0° C 100° C 32° C ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat ANSWER DOWNLOAD EXAMIANS APP
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