Physics In the gamma decay of a nucleus 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 Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number 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 Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus does not change whereas its atomic number changes ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Density Humidity Temperature Pressure Density Humidity Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Visible light Microwave radiation UV rays Gamma rays Visible light Microwave radiation UV rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina Ultraviolet radiations from Sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Mie scattering Rayleigh scattering Back scattering None of these Mie scattering Rayleigh scattering Back scattering None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Fiber optics cable used in communication, works on the principle of Diffuse reflection of light Regular reflection of light Refraction of light Total internal reflection of light Diffuse reflection of light Regular reflection of light Refraction of light Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
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