Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts works as good conductor Air layer between two shirts behaves like insulating media No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 8 36 72 4 8 36 72 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following instrument is used to measure Soil Water Tension? Pyrometer Photometer Tensiometer Psychrometer Pyrometer Photometer Tensiometer Psychrometer ANSWER DOWNLOAD EXAMIANS APP
Physics The basic reason for the extraordinary sparkle of suitably cut diamond is that It has a very high refractive index It has a very high transparency It has well defined cleavage planes It is very hard It has a very high refractive index It has a very high transparency It has well defined cleavage planes It is very hard ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these ANSWER DOWNLOAD EXAMIANS APP
Physics To convert temperature from Celcius to Kelvin scale, you must ________ the given temperature. Multiply 273 Subtract 273 Add 273 Divide by 273 Multiply 273 Subtract 273 Add 273 Divide by 273 ANSWER DOWNLOAD EXAMIANS APP
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