Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics Number of lattices in the orthorhombic system is 5 8 7 4 5 8 7 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Radio telescopes are better than optical telescopes because All of these they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions they can work during the day and night All of these they can detect faint galaxies which no optical telescope can they can work even in cloudy conditions they can work during the day and night ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? None of these Roentgen Coolidge tube X-ray tube None of these Roentgen Coolidge tube X-ray tube ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Scattering of blue light by water molecules Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water Scattering of blue light by water molecules Reflection of blue sky by sea water Absorption of other colours except blue by water molecules Reflection of blue light by impurities in sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Wind in the direction of propagation of sound Pressure of air Moisture content in air Temperature of air Wind in the direction of propagation of sound Pressure of air Moisture content in air Temperature of air ANSWER DOWNLOAD EXAMIANS APP