Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Ammonia Chlorine Ozone Carbon dioxide Ammonia Chlorine Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. The mercury level does not change The mercury level starts rising The mercury level starts falling The bell jar breaks up The mercury level does not change The mercury level starts rising The mercury level starts falling The bell jar breaks up ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Induced current Alternate current Direct current Actual current Induced current Alternate current Direct current Actual current ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis Susceptibility independent of temperature Point in a particular direction Attracting a magnetic substance Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nickel Nichrome Tungsten Chromium Nickel Nichrome Tungsten Chromium ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature of a liquid is 32° F. What is its temperature in Celsius scale? 32° C 0° C 100° C 212° C 32° C 0° C 100° C 212° C ANSWER DOWNLOAD EXAMIANS APP