Physics Stars are held together by Ionic forces Electrical forces Magnetic forces Gravitational forces Ionic forces Electrical forces Magnetic forces Gravitational forces ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics Parabolic mirrors are used in Driving mirrors Car headlights Dentists mirros Shaving mirros Driving mirrors Car headlights Dentists mirros Shaving mirros ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 30 J 50 J 20 J 40 J 30 J 50 J 20 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics Natural radioactivity was discovered by Marie Curie Ernest Rutherfor Henri Becquerel Enrico Fermi Marie Curie Ernest Rutherfor Henri Becquerel Enrico Fermi ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not 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 Both the mass number and the atomic number of the nucleus change The mass number of the nucleus changes whereas its atomic number does not 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 Both the mass number and the atomic number of the nucleus change ANSWER DOWNLOAD EXAMIANS APP
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