Physics The scientist who first sent electromagnetic waves to distant places is John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz 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 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 Electrical Pressure is also called Current Voltage Resistance Power Current Voltage Resistance Power ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics If the current flowing through a circuit is 0.6 A for 6 mins, the amount of electric charge flowing through it is ________ 60 C 36 C 360C 216 C 60 C 36 C 360C 216 C ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Decreases with decrease in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Decreases with decrease in velocity. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP