This quiz works best with JavaScript enabled. Home > Science > Earth > Units Devices Dimensions And Measurements – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Units Devices Dimensions And Measurements Quiz 6 (10 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which instrument is used to record spectra? A) Sextant. B) Spherometer. C) Spectroscope. D) Spectrometer. Show Answer Correct Answer: C) Spectroscope. 2. A device used for converting A. C. into D. C. is called A) Dynamo. B) Rectifier. C) Transformer. D) Induction coil. Show Answer Correct Answer: B) Rectifier. 3. Kelvin is used to measure A) Angle. B) Solid Angle. C) Temperature. D) Intensity of flame. Show Answer Correct Answer: C) Temperature. 4. Which instrument is used to convert mechanical energy into electrical energy? A) Cyclotron. B) Dyanamo. C) Dilatometer. D) Electroscope. Show Answer Correct Answer: B) Dyanamo. 5. Which instrument is used to measures strength of electric current? A) Ammeter. B) Altimeter. C) Audiometer. D) Anemometer. Show Answer Correct Answer: A) Ammeter. 6. The unit of noise pollution (level) is A) Ppm. B) Decibel. C) Decimal. D) None of these. Show Answer Correct Answer: B) Decibel. 7. Which instrument is used to measure the wavelength of a radiowave? A) Voltmeter. B) Wattmeter. C) Wavemeter. D) Viscometer. Show Answer Correct Answer: C) Wavemeter. 8. Which of the following devices converts electrical energy into mechanical energy? A) Inductor. B) Dynamo. C) Transformer. D) Electric motor. Show Answer Correct Answer: D) Electric motor. 9. Anemometer measures A) Net radiation. B) Wind velocity. C) Wind direction. D) Relative humidity. Show Answer Correct Answer: B) Wind velocity. 10. Which instrument is used to determine the intensity of colours? A) Colorimeter. B) Commutator. C) Chronometer. D) Cathetometer. Show Answer Correct Answer: A) Colorimeter. ← PreviousRelated QuizzesScience QuizzesUnits Devices Dimensions And Measurements Quiz 1Units Devices Dimensions And Measurements Quiz 2Units Devices Dimensions And Measurements Quiz 3Units Devices Dimensions And Measurements Quiz 4Units Devices Dimensions And Measurements Quiz 5Big Bang Theory QuizEarth Science QuizEcology QuizEnergy Energy Resources QuizEnvironmental Sciences Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books