Physics In the absence of ozone layer, which rays will enter into atmosphere? Infrared Ultraviolet X-rays Visible Infrared Ultraviolet X-rays Visible 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: 50 J 75 J 100 J 150 J 50 J 75 J 100 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be 2P > P P < P 2P > P P < P ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? No change The liquid evaporates The liquid cools The liquid boils No change The liquid evaporates The liquid cools The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics Energy travels from Sun to Earth through Convection Conduction Radiation Modulation Convection Conduction Radiation Modulation ANSWER DOWNLOAD EXAMIANS APP
Physics The force between charged particles is called as: Nuclear Force Centrifugal Force Gravitational Force Electromagnetic Force Nuclear Force Centrifugal Force Gravitational Force Electromagnetic Force ANSWER DOWNLOAD EXAMIANS APP