Physics Sound of frequency below 20 Hz is called supersonics ultrasonic audio sounds infrasonic supersonics ultrasonic audio sounds infrasonic ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ? They must have the same volume They must be dropped in vacuum They must have the same mass They must have the same density They must have the same volume They must be dropped in vacuum They must have the same mass They must have the same density ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Concave lens Cylindrical lens Plano-concave lens Convex lens Concave lens Cylindrical lens Plano-concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Humidity Temperature Density Pressure Humidity Temperature Density Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of change in direction of light when it passes from one medium to another is called Refraction Reflection Dispersion Propagation Refraction Reflection Dispersion Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics What is the value of 1 kW = ? 100 W 1000 W 10 W 10000 W 100 W 1000 W 10 W 10000 W ANSWER DOWNLOAD EXAMIANS APP