Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes 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 changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Both the mass number and the atomic number of the nucleus change Neither the mass number nor the atomic number of the nucleus changes ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? X rays Gama particle UV rays Alpha particle X rays Gama particle UV rays Alpha particle ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The moon is cooler than earth The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon has no atmosphere The moon is cooler than earth The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon has no atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Angle of friction and angle of repose are Not equal to each other Proportional to each other Equal to each other None of these Not equal to each other Proportional to each other Equal to each other None of these ANSWER DOWNLOAD EXAMIANS APP
Physics If an electron and a photon have the same wavelength, then they will have the same Energy Velocity Linear momentum Angular momentum Energy Velocity Linear momentum Angular momentum ANSWER DOWNLOAD EXAMIANS APP
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