Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Micro waves Radio waves Gama rays X-rays Micro waves Radio waves Gama rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A permanent magnet can affect None of these Magnets Electromagnets Both A & B None of these Magnets Electromagnets Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Neutral particles Negatively charged particles None of these Positively charged particles Neutral particles Negatively charged particles None of these Positively charged particles ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids is most viscous? Petrol Oil Milk Water Petrol Oil Milk Water ANSWER DOWNLOAD EXAMIANS APP
Physics A concave lens always forms An image type which depends on lens curvature A real image An image type which depends on object characteristics A virtual image An image type which depends on lens curvature A real image An image type which depends on object characteristics A virtual image ANSWER DOWNLOAD EXAMIANS APP
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