Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by An electrical spark Using heat from exhaust Compressing air in the cylinders The battery An electrical spark Using heat from exhaust Compressing air in the cylinders The battery ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 20 J 400J 40J 200J 20 J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics Radian is used to measure Angle Temperature Solid Angle Intensity of Flame Angle Temperature Solid Angle Intensity of Flame ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Reflection Dispersion Propagation Refraction Reflection Dispersion Propagation Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Knife Bicycle Ramp Screw Knife Bicycle Ramp Screw ANSWER DOWNLOAD EXAMIANS APP