Atmospheric Pressure and Variation

Q.

The atmospheric pressure at _______ is 100000 pascal.

1. $10.34m$

2. Torricellian

3. sea level

4. none

Q. Why do some people experience headaches when they go for trekking in the mountains?

1. Atmospheric pressure increases.
2. Atmospheric pressure decreases.
3. Temperature increases.
4. Temperature decreases.

Q. Which instrument is used to measure Earth's atmospheric pressure?

1. Micrometer
2. Pressure meter
3. Anemometer
4. Barometer

Q. ______ is a device to measure the speed of the wind.

1. Anemometer
2. Barometer
3. Micrometer
4. Wind vane

Q. Which of the following statements is/are correct regarding atmospheric pressure?

1. The average atmospheric pressure at the sea level is around 1, 013.2 millibars.
2. Atmospheric pressure is uniform across the globe.
3. Atmospheric pressure is measured with the help of an instrument called a barometer.
4. Atmospheric pressure doesn't have any role in case of weather phenomenon.

Q. Which of the following statements is/are correct?

1. A high- pressure region is formed over a place experiencing high temperature.
2. Air moves from a high-pressure region to a low-pressure region.
3. A low-pressure region is formed over a place experiencing low temperature.
4. Atmospheric pressure decreases with increase in altitude.

Q. Which of the following can show the direction of wind ?

1. Anemometer
2. Wind wane
3. Wind mill
4. Barometer

Q. In the context of atmospheric pressure, which of the following can be the result of an increase in altitude?

1. There is no direct relation between altitude and atmospheric pressure
2. Gradual increase of pressure and then decrease with increasing altitude
3. An increase in air pressure
4. A decrease in air pressure