Physics Sound of frequency below 20 Hz is called infrasonic ultrasonic audio sounds supersonics infrasonic ultrasonic audio sounds supersonics 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 < P > P 2P P < P > P 2P P ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Alpha particle UV rays Gama particle X rays Alpha particle UV rays Gama particle X rays ANSWER DOWNLOAD EXAMIANS APP
Physics Negative acceleration is in the opposite direction of: Force Momentum Distance Velocity Force Momentum Distance Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Kerosene Graphite Dry air Paper Kerosene Graphite Dry air Paper ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C1>C2 C1pa = C2pg C2>C1 C1 = C2 C1>C2 C1pa = C2pg C2>C1 ANSWER DOWNLOAD EXAMIANS APP