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 collector has the least concentration of impurity The base 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 collector has the least concentration of impurity The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) The silver piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The gold piece will weigh more The silver piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The gold piece will weigh more ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A short focus concave lens A short focus convex lens A long focus convex lens A long focus concave lens A short focus concave lens A short focus convex lens A long focus convex lens A long focus concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics One nanometer is equal to ________ meters. 10 raised to the power (-12) 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-3) 10 raised to the power (-12) 10 raised to the power (-9) 10 raised to the power (-6) 10 raised to the power (-3) ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so With the same speed In the same time with the same speed In the same time In the same time with the same kinetic energy With the same speed In the same time with the same speed In the same time In the same time with the same kinetic energy ANSWER DOWNLOAD EXAMIANS APP