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 A piece of wood is held under water. The upthrust on it will be: More than weight of the wood Zero Less than weight of the wood Equal to the weight of the wood More than weight of the wood Zero Less than weight of the wood Equal to the weight of the wood ANSWER DOWNLOAD EXAMIANS APP
Physics Period of oscillation of 3 cm microwaves in seconds is 0.01 1 × 10–10 1 × 1010 0.001 0.01 1 × 10–10 1 × 1010 0.001 ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Rubber Aluminium Wood Plastic Rubber Aluminium Wood Plastic ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Albert Einstein Isaac Newton Hans Bethe Stephen Hawking Albert Einstein Isaac Newton Hans Bethe Stephen Hawking ANSWER DOWNLOAD EXAMIANS APP
Physics Noise is measured in REM Watt Centigrade Decibel REM Watt Centigrade Decibel ANSWER DOWNLOAD EXAMIANS APP
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