Physics In mirrors the back surface is coated with a thin layer of : Red oxide Silver nitrate Silver Mercury Red oxide Silver nitrate Silver Mercury ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy ANSWER DOWNLOAD EXAMIANS APP
Physics Heat transfer by conduction occurs when molecules Combine Collide Heated None of these Combine Collide Heated None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light Total internal reflection of light Regular reflection of light Diffuse reflection of light Refraction of light 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 All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The emitter 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 base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP