An observer hears an echo 1.26 seconds after blowing a whistle near a cliff. calculate the distance of the observer from the cliff. [speed of sound in air = 330ms^-1]

Similar Questions

The distance between a concave mirror and an object placed in front of it is 1.0m. If the raduis of ...

The most suitable cell used for short interval switches in electric bells is a ...

In an operating X-ray tube, a high p.d is applied between the cathode and the anode for the purpose ...

The electrochemical equivalent of platinum is 5.0 x 10-7kgC-1 to plate-out 1.0kg of platinum, a curr...

The terminal voltage of a battery is 4.0V when supplying a current of 2.0A, and 2.0V when supplying ...

All the heat generated in a 5 ohms resistor by 2A flowing for 30 seconds is used to evaporate 5g of ...

In an experiment in which molten naphthalene is allowed to cool, the cooling curve i n the figu...

The temperature at which the saturated vapour pressure of a liquid is equal to the external atmosphe...

A 40W instrument has a resistance 90 Ohms. On what voltage should it be operated normally ...

In a good thermos flask, heat loss is reduced through the following features EXCEPT? ...