Physics ยท General Awareness

Physics Measuring Instruments

1,123 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

Multiple choice

What is the name of the diagnostic technique used to measure the plasma temperature in a tokamak?

  1. Thomson scattering

  2. X-ray spectroscopy

  3. Neutron spectrometry

  4. Magnetic probes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Thomson scattering is a diagnostic technique that uses the scattering of laser light by plasma particles to measure the plasma temperature.

Multiple choice

Which instrument is commonly used to measure atmospheric pressure?

  1. Barometer

  2. Thermometer

  3. Anemometer

  4. Radiosonde
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A barometer is a device used to measure atmospheric pressure. Thermometers measure temperature, anemometers measure wind speed, and radiosondes are used for upper-air measurements.

Multiple choice

Which of the following is NOT a common type of environmental monitoring system used in museums?

  1. Temperature and humidity sensors

  2. Light meters

  3. Motion detectors

  4. Fire alarms
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Motion detectors are not commonly used as environmental monitoring systems in museums because they are primarily used for security purposes, not for monitoring environmental conditions.

Multiple choice

Which component measures the wind speed and direction in a wind turbine control system?

  1. Anemometer

  2. Wind vane

  3. Tachometer

  4. Power meter
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An anemometer is used to measure wind speed, while a wind vane measures wind direction.

Multiple choice

Which component measures the power output of a wind turbine?

  1. Anemometer

  2. Wind vane

  3. Tachometer

  4. Power meter
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Power meters measure the power output of wind turbines.

Multiple choice

Which component in a wind turbine control system measures the rotational speed of the generator?

  1. Anemometer

  2. Wind vane

  3. Tachometer

  4. Power meter
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Tachometers measure the rotational speed of the generator in wind turbines.

Multiple choice

What instrument is used to measure the temperature of the atmosphere?

  1. Anemometer

  2. Barometer

  3. Thermometer

  4. Hygrometer
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

A thermometer is used to measure the temperature of the atmosphere.

Multiple choice

What instrument is used to measure the pressure of the atmosphere?

  1. Anemometer

  2. Barometer

  3. Thermometer

  4. Hygrometer
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A barometer is used to measure the pressure of the atmosphere.

Multiple choice

What instrument is used to measure the wind speed?

  1. Anemometer

  2. Barometer

  3. Thermometer

  4. Hygrometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An anemometer is used to measure the wind speed.

Multiple choice

What instrument is used to measure the humidity of the atmosphere?

  1. Anemometer

  2. Barometer

  3. Thermometer

  4. Hygrometer
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A hygrometer is used to measure the humidity of the atmosphere.

Multiple choice

What instrument is used to measure the amount of precipitation?

  1. Rain gauge

  2. Snow gauge

  3. Hail gauge

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A rain gauge, snow gauge, and hail gauge are all used to measure the amount of precipitation.

Multiple choice

What instrument is used to measure the direction of the wind?

  1. Wind vane

  2. Anemometer

  3. Barometer

  4. Thermometer
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A wind vane is used to measure the direction of the wind.

Multiple choice

What instrument is used to measure the amount of solar radiation?

  1. Pyranometer

  2. Albedometer

  3. Radiometer

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A pyranometer, albedometer, and radiometer are all used to measure the amount of solar radiation.

Multiple choice

What instrument is used to measure the amount of terrestrial radiation?

  1. Pyrgeometer

  2. Albedometer

  3. Radiometer

  4. All of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A pyrgeometer is used to measure the amount of terrestrial radiation.

Multiple choice

What instrument is used to measure the amount of cloud cover?

  1. Nephelometer

  2. Ceilometer

  3. Lidar

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A nephelometer, ceilometer, and lidar are all used to measure the amount of cloud cover.