Physics The large collection of stars, dust and gas held together by gravitational attraction between components is known as Sun Family Cluster Atmosphere Galaxy Sun Family Cluster Atmosphere Galaxy ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object None of these Both A & B The wavelength of the electrons must be greater than the diameter of the object. The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down 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 If a barometric reading is falling, this usually indicates what Decreasing pressure Increasing pressure No pressure None Decreasing pressure Increasing pressure No pressure None ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec 11.2 km/sec 12.2 km/sec 13.2 km/sec 10.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
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