5. With the increasing height
, temperature and atmospheric pressure OS
(a) increases
(b) decreases
(d) stays stable
(d) none of these
6. Which of the following is not associated with the rainfall ?
(a) Cyclonic
(b) Convectional
(c) Frontal
(d) Polar
7. Which one of the following winds is an example of a local wind ?
(a) mistral
(b) Chinook
(c) Loo
(d) All of these
II. Very Short Answer Type Questions
1. What is weather?
2. Why is weather forecast essential ? nors
3. Name the instrument used to measure humidity.
4. Define atmospheric pressure.
mean by rainfall ?
Answers
5(b) 6(d) 7(d) (2i) Weather is the state of the atmosphere, describing for example the degree to which it is hot or cold, wet or dry, calm or stormy, clear or cloudy. On Earth, most weather phenomena occur in the lowest level of the planet's atmosphere, the troposphere, just below the stratosphere.
(2)Weather warnings are important forecasts because they are used to protect life and property. ... Since outdoor activities are severely curtailed by heavy rain, snow and wind chill, forecasts can be used to plan activities around these events, and to plan ahead and survive them.
(3)A hygrometer is an instrument used to measure relative humidity. Humidity is the measure of the amount of moisture in the air. A psychrometer is an example of a hygrometer.
(4)That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. Atmospheric pressure is commonly measured with a barometer. ... Meteorologists describe the atmospheric pressure by how high the mercury rises