Physics Which one among the following doesn't have any effect on velocity of sound ? Density Humidity Pressure Temperature Density Humidity Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Force Angular momentum Energy Linear momentum Force Angular momentum Energy Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement describes the pressure of a gas? 450 mm Hg 315 K 251 g/cub.cm None of these 450 mm Hg 315 K 251 g/cub.cm None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III I and II I and III II and III I, II and III I and II I and III II and III ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 5 kg accelerates from 12 m/s to 20 m/s in 4 seconds due to the application of a force on it. Calculate the magnitude of this force (in N). 80 10 40 20 80 10 40 20 ANSWER DOWNLOAD EXAMIANS APP
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