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.

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Physics Measuring Instruments Questions

Multiple choice

Which of the following is NOT a type of automotive sensor?

  1. Oxygen sensor

  2. Mass air flow sensor

  3. Knock sensor

  4. Tire pressure sensor
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Tire pressure sensors are not typically considered automotive sensors in the context of automotive electrical and electronic systems.

Multiple choice

Which of the following is not a type of spectrometer?

  1. Optical spectrometer

  2. Radio spectrometer

  3. X-ray spectrometer

  4. Infrared spectrometer
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

All of the options are types of spectrometers.

Multiple choice

Which of the following is not a type of radiometer?

  1. Total power radiometer

  2. Dicke radiometer

  3. Correlation radiometer

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

Imaging radiometers are not a type of radiometer.

Multiple choice

Which of the following is a type of solid-state sensor?

  1. Thermistor

  2. Photodiode

  3. Piezoelectric sensor

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

Thermistors, photodiodes, and piezoelectric sensors are all types of solid-state sensors.

Multiple choice

What is the primary application of thermistors?

  1. Temperature measurement

  2. Pressure measurement

  3. Light measurement

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

Thermistors are primarily used for temperature measurement.

Multiple choice

What is the primary application of photodiodes?

  1. Temperature measurement

  2. Pressure measurement

  3. Light measurement

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

Photodiodes are primarily used for light measurement.

Multiple choice

What is the primary application of piezoelectric sensors?

  1. Temperature measurement

  2. Pressure measurement

  3. Light measurement

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

Piezoelectric sensors are primarily used for pressure measurement.

Multiple choice

Which of the following is a type of geotechnical instrumentation?

  1. Piezometers

  2. Inclinometers

  3. Extensometers

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

Piezometers, inclinometers, and extensometers are all types of geotechnical instrumentation.

Multiple choice

What is the purpose of a Langmuir probe in plasma diagnostics?

  1. Measuring electron temperature

  2. Measuring ion density

  3. Measuring plasma potential

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

A Langmuir probe is a versatile tool used in plasma diagnostics. It can measure electron temperature, ion density, and plasma potential by analyzing the current-voltage characteristics of the probe.

Multiple choice

The development of the sphygmomanometer in the 19th century allowed doctors to:

  1. Measure blood pressure

  2. Detect heart murmurs

  3. Monitor heart rate

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

The sphygmomanometer, invented by Samuel Siegfried Karl Ritter von Basch, enabled doctors to measure blood pressure, a crucial parameter for diagnosing and managing various medical conditions.

Multiple choice

What is the name of the device used to measure the time in handball?

  1. Stopwatch

  2. Timer

  3. Clock

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

A chronometer is used to measure the time in handball.

Multiple choice

What is the name of the device used to measure the score in handball?

  1. Scoreboard

  2. Tally counter

  3. Abacus

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

A scoreboard is used to measure the score in handball.

Multiple choice

What is the name of the device used to measure the fouls in handball?

  1. Foul counter

  2. Penalty counter

  3. Sin bin

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

A foul counter is used to measure the fouls in handball.

Multiple choice

What is the name of the device used to measure the timeouts in handball?

  1. Timeout counter

  2. Break counter

  3. Interval counter

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

A timeout counter is used to measure the timeouts in handball.

Multiple choice

Which of the following is NOT a common type of geotechnical instrument used to measure soil or rock properties?

  1. Penetrometer

  2. Borehole camera

  3. Inclinometer

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

Geophones are not commonly used in geotechnical engineering. They are primarily used in geophysics for seismic surveys.