Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Hygrometer Sonometer Barometer Hydrometer Hygrometer Sonometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Johnson Effect Edison Effect Photoelectric Effect Piezo - electric Effect Johnson Effect Edison Effect Photoelectric Effect Piezo - electric Effect 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 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 Accidents due to expansion in summer can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°C 0°F 4°C 4°F 0°C 0°F 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Disk Depends on their masses Both reach at the same time Sphere Disk Depends on their masses Both reach at the same time Sphere ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Aluminium Cobalt Silver Copper Aluminium Cobalt Silver Copper ANSWER DOWNLOAD EXAMIANS APP