Physics The reflector of a search light is a : Cylindrical mirror Concave mirror Plane mirror Convex mirror Cylindrical mirror Concave mirror Plane mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work with reduced efficiency Work as efficiently as on the earth Not work at all Work with increased efficiency Work with reduced efficiency Work as efficiently as on the earth Not work at all Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics Momentum is measured as the product of : Mass and inertia Mass and force Mass and velocity Mass and acceleration Mass and inertia Mass and force Mass and velocity Mass and acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Frictional force Centrifugal force Gravitational force Viscous forces Frictional force Centrifugal force Gravitational force Viscous forces ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Transverse waves on a string Longitudinal waves on a string Light waves Sound waves in air Transverse waves on a string Longitudinal waves on a string Light waves Sound waves in air ANSWER DOWNLOAD EXAMIANS APP