Physics Coolis tube is used to produce Radio waves X-rays Micro waves Gama rays Radio waves X-rays Micro waves Gama rays ANSWER DOWNLOAD EXAMIANS APP
Physics A photo-electric cell converts Light energy to electrical energy Light energy to chemical energy Heat energy to mechanical energy Mechanical energy to electric energy Light energy to electrical energy Light energy to chemical energy Heat energy to mechanical energy Mechanical energy to electric energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Total internal reflection Reflection Rectilinear propagation of light Refraction Total internal reflection Reflection Rectilinear propagation of light Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because A parachute has a larger surface area and air resistance is more None of these Stone is heavier than parachute Special mechanisms are present in parachute A parachute has a larger surface area and air resistance is more None of these Stone is heavier than parachute Special mechanisms are present in parachute ANSWER DOWNLOAD EXAMIANS APP
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