A rotating platform for a stationary observer outside it is .

Moving Sourse And Stationary Observer

When a source of sound is in motion towards a stationary observer, the effect observed is …………

When a source of sound is in motion towards a stationary observer, the effect observed is

A long belt is moving horizontally with a speed of 5 km/h. A child is running on belt to and fro with a speed of 9 km/h with respect to belt between his father and mother located 50 m apart on the belt. For an observer on a stationary platform outside, what is the speed of the child running opposite to the direction of the belt ?

A train in approaching a station with a uniform velocity of 72kmph and the frequency of the whistle of that train is 480Hz . The apparent increase in the frequency of that whistle heard by a stationary observer on the platform is (Velocity of sound in air is 340m//s )

A man is sitting inside a moving train and observes the stationary objects outside of the train. Then choose the single correct choice from the following statements -

A man is sitting inside a moving train and observes the stationary objects outside of the train. Then choose the single correct choice from the following statements -