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 Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 0.2 J 5 J 500 J 20 J 0.2 J 5 J 500 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? X-rays Radio waves Cosmic rays Microwaves X-rays Radio waves Cosmic rays Microwaves ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following gave the Uncertainty principle? Ernset Rutherford R.A Milkman Werner Heisenberg S.N Bose Ernset Rutherford R.A Milkman Werner Heisenberg S.N Bose ANSWER DOWNLOAD EXAMIANS APP
Physics An object covers distance which is directly proportional to the square of the time. Its accelaration is Decreasing Zero Constant Increasing Decreasing Zero Constant Increasing ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Ultraviolet region Microwave region Visible region Infrared region Ultraviolet region Microwave region Visible region Infrared region ANSWER DOWNLOAD EXAMIANS APP
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