Physics In MRI machine, which one of the following is used? X-ray Magnetic wave Ultra-sound wave Sound wave X-ray Magnetic wave Ultra-sound wave Sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics Electric Motor converts ________ energy to mechanical energy Sound Chemical Electrical Mechanical Sound Chemical Electrical Mechanical ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics Microphone is a device which transforms the Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal Light signal into sound signal Sound signal into light signal Sound signal into current signal Current signal into sound signal ANSWER DOWNLOAD EXAMIANS APP
Physics Mirage is due to: Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere Equal heating of different parts of the atmosphere Magnetic disturbances in the atmosphere Unequal heating of different parts of the atmosphere Depletion of ozone layer in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They use less oxygen They have extra air sacs They fly inactively Their lungs are very large They use less oxygen They have extra air sacs They fly inactively ANSWER DOWNLOAD EXAMIANS APP