Physics Which of the following device is used to measure humidity? Anemometer Hydrometer Hygrometer Psycho Meter Anemometer Hydrometer Hygrometer Psycho Meter ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Sulphur dioxide Carbon dioxide Ozone Nitrogen Sulphur dioxide Carbon dioxide Ozone Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous water has a higher surface tension Oil is lighter than water Oil does not mix with water Oil is more viscous ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Two times Half Four times No change Two times Half Four times No change ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Keep the rails equidistant Avoid the heating of tracks to high temperature Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, air and water Iron, water and air Air, water and iron Water, iron and air Iron, air and water Iron, water and air Air, water and iron ANSWER DOWNLOAD EXAMIANS APP