Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics In general, which is the cause of a land breeze? Heat None of these Temperature Pressure Heat None of these Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A load A step down device A safety device A thermopile A load A step down device A safety device A thermopile ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Ferromagnetic Non-magnetic Diamagnetic Paramagnetic Ferromagnetic Non-magnetic Diamagnetic Paramagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The bell jar is too small The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The ringing is not loud enough The bell jar is too small The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The ringing is not loud enough ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It decreases the volume of the person to keep him afloat It increases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft ANSWER DOWNLOAD EXAMIANS APP
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