Physics ยท General Awareness
Physics Measuring Instruments
1,180 Questions
Physics measuring instruments are essential tools used to measure various physical quantities. This topic covers devices like hygrometers, oscilloscopes, and sphygmomanometers. It is a highly scoring section in general science and general awareness examinations.
Pressure and humidity instrumentsElectrical measuring devicesMedical physics toolsNavigational instruments
Physics Measuring Instruments Questions
Which component in a wind turbine control system measures the rotational speed of the generator?
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Anemometer
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Wind vane
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Tachometer
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Power meter
C
Correct answer
Explanation
Tachometers measure the rotational speed of the generator in wind turbines.
What instrument is used to measure the temperature of the atmosphere?
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Anemometer
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Barometer
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Thermometer
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Hygrometer
C
Correct answer
Explanation
A thermometer is used to measure the temperature of the atmosphere.
What instrument is used to measure the pressure of the atmosphere?
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Anemometer
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Barometer
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Thermometer
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Hygrometer
B
Correct answer
Explanation
A barometer is used to measure the pressure of the atmosphere.
What instrument is used to measure the wind speed?
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Anemometer
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Barometer
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Thermometer
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Hygrometer
A
Correct answer
Explanation
An anemometer is used to measure the wind speed.
What instrument is used to measure the humidity of the atmosphere?
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Anemometer
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Barometer
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Thermometer
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Hygrometer
D
Correct answer
Explanation
A hygrometer is used to measure the humidity of the atmosphere.
What instrument is used to measure the amount of precipitation?
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Rain gauge
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Snow gauge
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Hail gauge
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All of the above
D
Correct answer
Explanation
A rain gauge, snow gauge, and hail gauge are all used to measure the amount of precipitation.
What instrument is used to measure the direction of the wind?
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Wind vane
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Anemometer
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Barometer
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Thermometer
A
Correct answer
Explanation
A wind vane is used to measure the direction of the wind.
What instrument is used to measure the amount of solar radiation?
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Pyranometer
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Albedometer
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Radiometer
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All of the above
D
Correct answer
Explanation
A pyranometer, albedometer, and radiometer are all used to measure the amount of solar radiation.
What instrument is used to measure the amount of terrestrial radiation?
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Pyrgeometer
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Albedometer
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Radiometer
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All of the above
A
Correct answer
Explanation
A pyrgeometer is used to measure the amount of terrestrial radiation.
What instrument is used to measure the amount of cloud cover?
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Nephelometer
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Ceilometer
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Lidar
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All of the above
D
Correct answer
Explanation
A nephelometer, ceilometer, and lidar are all used to measure the amount of cloud cover.
What instrument is used to measure the height of clouds?
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Ceilometer
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Lidar
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Radar
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All of the above
D
Correct answer
Explanation
A ceilometer, lidar, and radar are all used to measure the height of clouds.
What instrument is used to measure the type of clouds?
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Nephelometer
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Ceilometer
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Lidar
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All of the above
A
Correct answer
Explanation
A nephelometer is used to measure the type of clouds.
What instrument is used to measure the amount of aerosols in the atmosphere?
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Nephelometer
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Ceilometer
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Lidar
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All of the above
A
Correct answer
Explanation
A nephelometer is used to measure the amount of aerosols in the atmosphere.
What instrument is used to measure the amount of ozone in the atmosphere?
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Ozone monitor
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Dobson spectrophotometer
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Lidar
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All of the above
D
Correct answer
Explanation
An ozone monitor, Dobson spectrophotometer, and lidar are all used to measure the amount of ozone in the atmosphere.
What instrument is used to measure the amount of carbon dioxide in the atmosphere?
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Carbon dioxide monitor
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Gas chromatograph
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Lidar
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All of the above
D
Correct answer
Explanation
A carbon dioxide monitor, gas chromatograph, and lidar are all used to measure the amount of carbon dioxide in the atmosphere.