The height at which the atmosphere ceases to exist is about 80km. If the atmospheric pressure on the ground level is 760mmHg, the pressure at a height of 20km above the ground level is

Similar Questions

A stream is flowing at 0.75ms$^{-1}$ and a boat heading perpendicular for the stream landed at the...

A 40 kW electric cable is used to transmit electricity through a resistor of resistance 2.0Ω at 80...

A weight of 1000 grams hangs from a lever 20cm to the fulcrum. At the left is a 500-gram weight 20cm...

A voltage of 240V is connected to the primary coil of a the rating of the primary turns to the secon...

A charged particle is moving in a uniform magnetic field. if the direction of motion of the charged ...

From the diagram above, the measuring accuracy of the micrometer screw gauge is ...

Which of the following statements-about electromagnetic waves is not correct? ...

A loaded spring is set in simple harmonic motion. The force that tends to restore the load to its eq...

An object is situated within the Earth's gravitational field. Which of the following factor does...

The resultant of two forces acting on an object is maximum when the angle between them is? ...