Physics The surface tension of water on adding detergent to it Increases No change Becomes zero Decreases Increases No change Becomes zero Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the balance between incoming and outgoing radiation 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
Physics Light travels at the fastest speed in: glass vacuum hydrogen water glass vacuum hydrogen water ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat Have low specific heat Are lighter Have large coefficient of expansion Have high,specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas ANSWER DOWNLOAD EXAMIANS APP