Physics Mach number is used in connection with the speed of sound aircraft ships spacecraft sound aircraft ships spacecraft ANSWER DOWNLOAD EXAMIANS APP
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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Induced current Actual current Alternate current Direct current Induced current Actual current Alternate current Direct current ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Pressure difference due to fast moving air in between Illusion of the man The centripetal force Gravitational force between train and man Pressure difference due to fast moving air in between Illusion of the man The centripetal force Gravitational force between train and man ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Liquid Solid Gas Vacuum Liquid Solid Gas Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? Ultraviolet X-ray Infrared Visible Ultraviolet X-ray Infrared Visible ANSWER DOWNLOAD EXAMIANS APP