Physics In a railway track, two rails are joined end to end with a gap in between them because 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 Accidents due to contraction in winter can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Reflection of light Dispersion of light Scattering of light Refraction of light Reflection of light Dispersion of light Scattering of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to None of these Back scattering Rayleigh scattering Mie scattering None of these Back scattering Rayleigh scattering Mie scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Solids have definite shapes.This is because The forces of adhesion are less The forces of adhesion are large The forces of cohesion of the molecules within are very much less in them The forces of cohesion are very large The forces of adhesion are less The forces of adhesion are large The forces of cohesion of the molecules within are very much less in them The forces of cohesion are very large ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Fission reaction Chemical reaction Photo-Chemical reaction Fusion reaction Fission reaction Chemical reaction Photo-Chemical reaction Fusion reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only I and III Only III Only II All are correct Only I and III Only III Only II All are correct ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS