Physics Sound waves cannot travel in Water Vacuum Glass Hydrogen gas Water Vacuum Glass Hydrogen gas ANSWER DOWNLOAD EXAMIANS APP
Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because Stone is heavier than parachute None of these Special mechanisms are present in parachute A parachute has a larger surface area and air resistance is more Stone is heavier than parachute None of these Special mechanisms are present in parachute A parachute has a larger surface area and air resistance is more ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Kinetic energy Thermal energy Light energy Potential energy Kinetic energy Thermal energy Light energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 2000 0.008 1000 0.016 2000 0.008 1000 ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is the fundamental quantity ? Velocity Time Force Volume Velocity Time Force Volume ANSWER DOWNLOAD EXAMIANS APP