Physics The material used in electric heater is Tungsten Steel Brass Nichrome Tungsten Steel Brass Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Fluctuates Increases Decreases Remains constant Fluctuates Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
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