Physics: Measuring Devices and Scales MCQ Quiz 1

Measuring Devices and Scales MCQs
Quiz Set12

Question 1.  In SONAR, we use?

(A) Infrasonic waves

(B) Ultrasonic waves

(C) Audible sound waves

(D) Radio waves

View Answer
(B) Ultrasonic waves

Question 2.  The apparatus used to measure intensity of sound is ______.

(A) Audiometer

(B) Audiophone

(C) Anemeter

(D) Chronometer

View Answer
(A) Audiometer

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

(A) SONAR

(B) Sextant

(C) Galvanometer

(D) Audiometer

View Answer
(A) SONAR

Question 4. SONAR is mostly used by ________.

(A) Navigators

(B) Engineers

(C) Doctors

(D) Astronauts

View Answer
(A) Navigators

Question 5. Which of the following is measured by ‘Anemometer’?

(A) Intensity of light

(B) Force of the wind

(C) Depth of water

(D) Velocity of water-flow

View Answer
(B) Force of the wind

Question 6. The velocity of wind is measured by ________.

(A) Wind Vane

(B) Hydrometer

(C) Anemometer

(D) Barometer

View Answer
(C) Anemometer

Question 7. Which one of the following is not correctly matched?

(A) Pyrometer – High temp

(B) Tachometer – Pressure difference

(C) Ammeter – Electric current

(D) Anemometer – Wind speed

View Answer
(B) Tacheometer – Pressure difference

Question 8. Pyrometer is used to measure?

(A) Density

(B) High temperature

(C) Humidity

(D) Air pressure

View Answer
(B) High temperature

Question 9. Which one of the following devices is used to measure extremely high temperature? 

(A) Pycnometer

(B) Phonometer

(C) Photometer

(D) Pyrometer

View Answer
(D) Pyrometer 

Question 10. Which one of the following thermometers is known as pyrometer? 

(A) Liquid thermometers

(B) Gas thermometers

(C) Radiation thermometers

(D) Thermo-electric thermometers

View Answer
(C) Radiation thermometers

Question 11. Which of the following is correctly matched? 

(A) Junction Diode – Amplifier

(B) Bipolar Junction Transistor – Rectifier

(C) Capacitor – Thermometer

(D) Thermoresistor – Electronic Thermometer

View Answer
(D) Thermoresistor – Electronic Thermometer

Question 12. Hygrometer is used to measure?

(A) Velocity of wind

(B) High temperature

(C) Atmospheric pressure

(D) Humidity in atmosphere

View Answer
(D) Humidity in atmosphere

Question 13. Which instrument is used for measuring humidity in the air?

(A)  Eudiometer

(B) Spectrometer

(C) Hygrometer

(D) Hydrometer

View Answer
(C) Hygrometer

Question 14. The density of milk can be obtained by the use of?

(A) Thermometer

(B) Lactometer

(C) Butyrometer

(D) Hydrometer

View Answer
(B) Lactometer 

Question 15. The liquid/liquids used in the simple barometer is/are?
(A) Mercury

(B) Water

(C) Alcohol

(D)  All of these

View Answer
  (B) Water 

Question 16. Which instrument is used to measure atmospheric pressure?

(A) Hygrometer

(B) Manometer

(C) Barometer

(D) Hydrometer

View Answer
(C) Barometer

Question 17. Which one of the following pair is not correctly matched?

(A) Ammeter – Measuring instrument for electric power

(B) Audiometer – Device for measuring sound intensity

(C) Ondometer – Measuring instrument for frequency of electromagnetic waves

(D) Odometer – Measuring instrument for distance covered by motor wheels

View Answer

(A) Ammeter – Measuring instrument for electric power

Question 18. What is measured by manometer?

(A) Pressure of oil on the surface

(B) Density of liquids

(C) Pressure of gas

(D) Air pressure

View Answer
(C) Pressure of gas

Question 19. The thermometer which used to measure 2000ºC temperature is?

(A) Steam pressure thermometer

(B) Total radiation pyrometer

(C) Mercury thermometer

(D) Gas thermometer

View Answer
(B) Total radiation pyrometer

Question 20. ‘Pyrheliometer’ is used for measuring?

(A) Temperature of plants

(B) Air temperature

(C) Solar radiation

(D) Sun spots

View Answer
  (C) Solar radiation
Quiz Set12