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

An electron makes a transition from a certain energy level Ek to the ground state E0. If the frequen...

A simple microscope forms an image 10cm from an eye close to the lens. If the object is 6cm from the...

In which of the following is a stationary wave produced? i. A vibrating turning fork held near th...

On a particular hot day, the temperature is 40°C and the partial pressure of water vapor in the ...

A solid body will float in a liquid if its ...

The length of a side of a metallic cube at 20°C is 5.0cm. Given that the linear expansivity of t...

At reasonance, the phase angle in an a.c. circuit is ...

A projectile attains its maximum height when the angle of projection is? ...

The image formed by a concave mirror is real, inverted and magnified, when object is placed ...

In which of the following situations is friction not useful? ...