Physics Sound of frequency below 20 Hz is called audio sounds ultrasonic supersonics infrasonic audio sounds ultrasonic supersonics infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics Pitot tube is used to measure Stagnation pressure Dynamic pressure Static pressure Velocity at stagnation point Stagnation pressure Dynamic pressure Static pressure Velocity at stagnation point ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output These make work easier None of these Both A & B Work input > work output These make work easier None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics A device used for converting a.c. into d.c. is called Induction coil Transformer Dynamo Rectifier Induction coil Transformer Dynamo Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Increase Have its shape changed Decrease Remain unaffected Increase Have its shape changed Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics During ________ motion of an object along a straight line, the velocity remains constant with time. Equilibrium Linear Uniform Translational Equilibrium Linear Uniform Translational ANSWER DOWNLOAD EXAMIANS APP