General Science | Physics | Measuring Devices and Scales

General Science | Physics | Measuring Devices and Scales

Dec 28, 2024 - 12:30 Updated: Dec 28, 2024 - 12:55
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1. In SONAR, we use

Radio waves
Audible sound waves
Ultrasonic waves
Infrasonic waves

2. The apparatus used to measure intensity of sound is

Chronometer
Anemeter
Audiophone
Audiometer

3. Which one of the the following instrument is used for locating submerged objects in an ocean?

Audiometer
Galvanometer
Sextant
SONAR

4. SONAR is mostly used by

Astronauts
Doctors
Engineers
Navigators

5. Which of the following is measured by 'Anemometer'?

Velocity of water-flow
Depth of water
Force of the wind
Intensity of light

6. The velocity of wind is measured by

Barometer
Anemometer
Hydrometer
Wind Vane

7. Pyrometer is used to measure

Air pressure
Humidity
High temperature
Density

8. Which one of the following devices is used to measure extremely high temperature?

Pyrometer
Photometer
Phonometer
Pycnometer

9. Which one of the following thermometers is known as pyrometer?

Thermo-electric thermometers
Radiation thermometers
Gas thermometers
Liquid thermometers

10. The thermometer which used to measure 2000°C temperature is

Gas thermometer
Mercury thermometer
Total radiation pyrometer
Steam pressure thermometer

11. 'Pyrheliometer' is used for measuring

Sun spots
Solar radiation
Air temperature
Temperature of plants

12. What is measured by manometer?

Air pressure
Pressure of gas
Density of liquids
Pressure of oil on the surface

13. Which instrument is used to measure atmospheric pressure?

Hydrometer
Barometer
Manometer
Hygrometer

14. The liquid/liquids used in the simple barometer is/are

Water
Mercury
Alcohol
All of these

15. The density of milk can be obtained by the use of

Hydrometer
Butyrometer
Lactometer
Thermometer

16. Which instrument is used for measuring humidity in the air?

Hydrometer
Hygrometer
Spectrometer
Eudiometer

17. Hygrometer is used to measure

Humidity in atmosphere
Atmospheric pressure
High temperature
Velocity of wind

18. The name of the equipment used for measuring blood pressure is

Teachometer
Sphygmomanometer
Actiometer
Barometer

19. Which one of the following can be used to measure temperature above 1500°C?

Clinical thermometer
Thermoelectric couple thermo-meter
Platinum resistance thermo-meter
Pyrometer

20. The apparatus used to measure the intensity of light is known as

Anemometer
Calorimeter
Luxmeter
Altimeter

21. Radar is used for

Detecting objects by using light waves
Reflecting sound waves to detect objects
Determining the presence and location of objects with radio wave
Tracking rain-bearing clouds

22. Which of the following quantities is measured on the Richter scale?

Speed of a glacier
Population growth
Intensity of an Earthquake
Temperature inside the Earth

23. Richter scale is used for measuring

Velocity of sound
Intensity of light
Amplitude of seismic waves
Intensity of sound

24. The intensity of Earthquake is measured in

Richter scale
Decibel scale
pH scale
Celsius scale

25. Which of the following is a seismometer device

Crescograph
Seismograph
Geiger Counter
Raingauge

26. Which one of the following devices is used to measure the intensity of Earthquake?

Seismograph
Stethoscope
Cosmograph
Periscope

27. What does a 'seismograph' record?

Heart-beats
Atmospheric pressure
Earthquake
None of the above

28. Fathometer is used to measure

Earthquake
Rain
Depth of sea
Sound intensity

29. Phonometer is used to measure which one of the following?

The power of brightness of light
Extremely high temperature
Frequency of electromagnetic wave
Testing the force of the human voice in speaking

30. The apparatus used for detecting lie is known as

Polygraph
Pyrometer
Gyroscope
Kymograph