Physics Name the process of production of energy in the Sun Ionization Radioactivity Nuclear fusion Nuclear fission Ionization Radioactivity Nuclear fusion Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photoconductive effect Photoelectric effect Photosynthesis Photovoltaic effect Photoconductive effect Photoelectric effect Photosynthesis Photovoltaic effect ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics 1 Micron is equal to 10–6 m 10–12 m 10–15 m 10–9 m 10–6 m 10–12 m 10–15 m 10–9 m ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Half Four times Two times One-fourth Half Four times Two times One-fourth ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Alpha particles Electrons Neutrons Electromagnetic radiations Alpha particles Electrons Neutrons Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
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