Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? Their lungs are very large They fly inactively They use less oxygen They have extra air sacs Their lungs are very large They fly inactively They use less oxygen They have extra air sacs ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Inductor Diode Capacitor Transistor Inductor Diode Capacitor Transistor ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 100 J 200 J 0 J 400 J 100 J 200 J 0 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Scattering Diffraction Polarization Interference Scattering Diffraction Polarization Interference ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None The liquid surface falls down on the direction of motion and rises up on the back side of the tank The liquid surface falls down only at the center of the tank The surface of the liquid remains horizontal None ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is preferred for accelerating electrons? Betatron Synchrotron Cyclotron Van de Graft Generator Betatron Synchrotron Cyclotron Van de Graft Generator ANSWER DOWNLOAD EXAMIANS APP