Physics Rain drops acquire spherical shape due to Surface tension Elasticity Viscosity Friction Surface tension Elasticity Viscosity Friction ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Newton Decibel Heartz Tesla Newton Decibel Heartz Tesla ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Conservation of energy Newton's third law of motion Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion Backward thrust of gases produced Newton's first law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become n-type ANSWER DOWNLOAD EXAMIANS APP
Physics Tap water is placed in an open pad and allowed to evaporate. After some time the temperature of water Increases to a great extent Decreases slightly Increases slightly Decreases rapidly Increases to a great extent Decreases slightly Increases slightly Decreases rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 80 2000 40 4000 80 2000 40 4000 ANSWER DOWNLOAD EXAMIANS APP