Physics The velocity of sound in air Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature Decreases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter per second Meter per second square Meter second Meter per second cube Meter per second Meter per second square Meter second Meter per second cube ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Joule is Equal to 10^3 ergs 10^5 ergs 10^7 ergs 10^6 ergs 10^3 ergs 10^5 ergs 10^7 ergs 10^6 ergs ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Plane Cylindrical Convex Concave Plane Cylindrical Convex Concave ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 100 W Neither 25 W Both 100 W Neither 25 W ANSWER DOWNLOAD EXAMIANS APP