Physics In mirrors the back surface is coated with a thin layer of : Silver Mercury Red oxide Silver nitrate Silver Mercury Red oxide Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is Less than one More than one One Zero Less than one More than one One Zero ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds. 20 12500 6250 40 20 12500 6250 40 ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Brightness of bulb depends on voltage or current? Both A & B Current Voltage None Both A & B Current Voltage None ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Surface tension Viscosity Inertia Pressure Surface tension Viscosity Inertia Pressure ANSWER DOWNLOAD EXAMIANS APP
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