Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen Their lungs are very large They have extra air sacs They fly inactively They use less oxygen Their lungs are very large They have extra air sacs They fly inactively ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A 24 A ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 0.084027777777778 0.044444444444444 0.16736111111111 0.052777777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Space Time Length of an object Velocity of light Space Time Length of an object Velocity of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids is most viscous? Oil Water Milk Petrol Oil Water Milk Petrol ANSWER DOWNLOAD EXAMIANS APP
Physics The fuse in an electric circuit is connected in Parallel to neutral Parallel to live Series with live Series with neutral Parallel to neutral Parallel to live Series with live Series with neutral ANSWER DOWNLOAD EXAMIANS APP