Physics In beta decay what is emitted Electron Proton Neutron All of these Electron Proton Neutron All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Pierre Curie Wilhelm Rontgen Marie Curie Ernest Rutherford Pierre Curie Wilhelm Rontgen Marie Curie ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Polystyrene Bakelit Polyesters Nylons Polystyrene Bakelit Polyesters Nylons ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? Acceleration Potential energy Kinetic energy All listed here Acceleration Potential energy Kinetic energy All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? Gama particle UV rays X rays Alpha particle Gama particle UV rays X rays Alpha particle ANSWER DOWNLOAD EXAMIANS APP
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