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 Centrifugal force increases with Temperature Humidity Acceleration Pressure Temperature Humidity Acceleration Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Formation of shadows can be explained by Rectilinear propagation of light Total internal reflection Reflection Refraction Rectilinear propagation of light Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics If an electron and a photon have the same wavelength, then they will have the same Linear momentum Angular momentum Velocity Energy Linear momentum Angular momentum Velocity Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The earth-wire of a cable is connected to The filament of the appliance The outer metallic body of the appliance Short circuitry of the appliance The fuse of the appliance The filament of the appliance The outer metallic body of the appliance Short circuitry of the appliance The fuse of the appliance ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Speed Medium Amplitude Source Speed Medium Amplitude Source ANSWER DOWNLOAD EXAMIANS APP