Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Frequency Wavelength Amplitude Speed Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of charge Conservation of energy Conservation of momentum Conservation of mass Conservation of charge Conservation of energy Conservation of momentum Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear < 85 db None of these = 85 db > 85 db < 85 db None of these = 85 db > 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirror used in automobiles to see the traffic on the rear side is Convex Plano-Convex Plane Concave Convex Plano-Convex Plane Concave ANSWER DOWNLOAD EXAMIANS APP
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