Physics Rain drops fall from great height. Which among the following statements is true regarding it? They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth They fall with that ultimate velocity, which are different for different droplets Their velocity increases and they fall with same velocity on the earth They fall with same ultimate velocity Their velocity increases and they fall with different velocity on the earth ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of white light into its components is due to: Refraction Dispersion Reflection Transmission Refraction Dispersion Reflection Transmission ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Oscillator Rectifier Amplifier Conductor Oscillator Rectifier Amplifier Conductor ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor 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 All the three regions (the emitter, the base and the collector) have equal concentrations of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Second law First law Fourth law Third law Second law First law Fourth law Third law ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to enable it to withstand higher voltages increase its electrical resistivity increase its electrical conductivity increase its life enable it to withstand higher voltages increase its electrical resistivity increase its electrical conductivity increase its life ANSWER DOWNLOAD EXAMIANS APP