Physics Mach number is used in connection with the speed of spacecraft ships aircraft sound spacecraft ships aircraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 3 m 0.3 m 300 m 30 m 3 m 0.3 m 300 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Remains constant Becomes zero None of these Increases exponentially Remains constant Becomes zero None of these Increases exponentially ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Glass pieces Stone chips Steel Glass - wool Glass pieces Stone chips Steel Glass - wool ANSWER DOWNLOAD EXAMIANS APP
Physics The following particles move with same kinetic energy. Which of them has maximum momentum ? Alpha Particle Electron Proton Deutron Alpha Particle Electron Proton Deutron ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP
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