Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. normal atmospheric pressure is maintained by the use of air pumps. the pressure inside is less than the pressure outside. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its frequency amplitude velocity wavelength frequency amplitude velocity wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.5 1 2 1.2 1.5 1 2 1.2 ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Solid Gas Vacuum Liquid Solid Gas Vacuum Liquid ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Refraction of light only Refraction and total internal reflection of light Total internal reflection of light only Dispersion of light only Refraction of light only Refraction and total internal reflection of light Total internal reflection of light only Dispersion of light only ANSWER DOWNLOAD EXAMIANS APP
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