The layer of atmosphere between 10 km to 50 km above the sea level is called as:
The angle of elevation of a stationary helicopter as seen from a point on the deck of a ship 60m above sea level,is 30^(@) and the angle of depression of its reflection in the water is 60^(@). Find the height of the helicopter above the sea-level.
The highest lake above the sea level in the world is :
When a mercury barometer is taken to a place at a height of 25 m above the sea level it shows a pressure difference of 2.5mm with respect to the pressure at the surface of the sea. If the relative density of mercury is 13.6, find the average density of air near sea level
Which of the following statement is/are correct (a) The mesosphere is located about 50 to 85 kilometers (30 to 50 miles) above the Earth's surface (b) The stratosphere and mesosphere are referred to as the middle atmosphere (c) The mesopause, at an altitude of 80-90 km, separates the mesosphere from the thermosphere 80-70 km (d) All the above
What is the lowest region of the atmosphere which extends upto a height of 10 km from sea level?
Which type of layer extends from an average altitude of 11 to 50 kilometers above the Earth's surface
