Physics In a Laser (say neon laser) all the atoms emit the light waves of Same frequency Same amplitude All of these Same phase Same frequency Same amplitude All of these Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Doubled Decreased by a factor 2 Increased by a factor 2 Halved Doubled Decreased by a factor 2 Increased by a factor 2 Halved ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards left None of these Remain straight Bend towards right Bend towards left None of these Remain straight Bend towards right ANSWER DOWNLOAD EXAMIANS APP
Physics A gas thermometer is more sensitive than a liquid thermometer because a gas : Is lighter than liquid Does not change state easily Is easy to obtain Expands more than a liquid Is lighter than liquid Does not change state easily Is easy to obtain Expands more than a liquid ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Radio frequency Microwave Satellite Infrared Radio frequency Microwave Satellite Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics One thousand microns is equal to 10-3m 10-9m 10-12m 10-6m 10-3m 10-9m 10-12m 10-6m ANSWER DOWNLOAD EXAMIANS APP