Physics Which of the following waves cannot be polarised? Infrared Radio Ultra violet Ultrasonic Infrared Radio Ultra violet Ultrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel in Water Glass Vacuum Hydrogen gas Water Glass Vacuum Hydrogen gas 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 When a detergent is added to pure water, its surface tension Becomes infinite Increases Decreases Remains constant Becomes infinite Increases Decreases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics The mass of a star is two times the mass of the Sun. How it will come to an end ? Neutron Star Red Giant White Dwarf Black hole Neutron Star Red Giant White Dwarf Black hole 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 Remain straight Bend towards right None of these Bend towards left Remain straight Bend towards right None of these Bend towards left ANSWER DOWNLOAD EXAMIANS APP