Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 2 1.5 1 1.2 2 1.5 1 1.2 ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Length Temperature Area of cross section Resistivity Length Temperature Area of cross section ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Nature of signal only Both (A) and (B) Neither A nor B Nature of medium only Nature of signal only Both (A) and (B) Neither A nor B Nature of medium only ANSWER DOWNLOAD EXAMIANS APP
Physics The colour of the ocean appears to be blue because the sunlight falling on it is Diffracted Refracted Scattered Reflected Diffracted Refracted Scattered Reflected ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light Can be reflected or refracted Have low penetrating power Can affect photographic plates Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun moves forward The gun recoils with the same momentum as the bullet The gun does not move The gun jumps up The gun moves forward The gun recoils with the same momentum as the bullet The gun does not move The gun jumps up ANSWER DOWNLOAD EXAMIANS APP