Physics Dioptre is the unit of Light intensity Focal length of a lens Sound intensity Power of a lens Light intensity Focal length of a lens Sound intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Newton Romer Galileo Einstein Newton Romer Galileo Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is UV rays Visible light Microwave radiation Gamma rays UV rays Visible light Microwave radiation Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following, ''Diodes' are generally used for? Filtration Modulation Rectification Amplification Filtration Modulation Rectification Amplification ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To allow the heat to get into the food through the hole To prevent the steam pressure from bursting open the pouch To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Glass to water Water to glass Air to water Air to glass Glass to water Water to glass Air to water ANSWER DOWNLOAD EXAMIANS APP