Question
The ozone layer in the atmosphere is at a height of
about           .Solution
Ozone is mainly found in two regions of the Earth's atmosphere. Most ozone (about 90%) resides in a layer that begins between 10 to 17 kilometers above the Earth's surface and extends up to about 50 kilometers.
Intensity of gravitational field of earth is maximum at –
Which of the following is an example of a communicable disease?
Eclipses occur due to which optical phenomena?
Electrostatic precipitator is used to control —
The force which opposes the relative motion between different layers of liquid or gases is called –
What is the chemical symbol for Gold?
Which food group is rich in dietary fiber?
A cylindrical metal wire is reformed so that its length decreases by 20% with no change of volume. Its
resistance decreases by:
Which part of the human brain controls voluntary actions?
_________ is a technique where the plants are grown with their roots suspended in the air.
