Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Sonometer Barometer Hygrometer Hydrometer Sonometer Barometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Liquid Vacuum Solid Gas Liquid Vacuum Solid Gas ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 75 J 100 J 50 J 150 J 75 J 100 J 50 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Become 4 times Is also doubled Becomes 1/4 th Becomes half Become 4 times Is also doubled Becomes 1/4 th ANSWER DOWNLOAD EXAMIANS APP
Physics Transformer is a device to convert Low voltage D.C. into high voltage D.C. C. to A.C. Low voltage A.C. into high voltage A.C. Mechanical energy into Electrical energy Low voltage D.C. into high voltage D.C. C. to A.C. Low voltage A.C. into high voltage A.C. Mechanical energy into Electrical energy ANSWER DOWNLOAD EXAMIANS APP