# Mcqs on units and measurements

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Test your understanding on the topic of units and measurements by Mcqs on units and measurements help in understanding the basics of this topic can help you solve a variety of problems. In this post, we’ll be exploring multiple-choice questions related to units and measurements and providing the answers to help you test your knowledge. So let’s get started!

Physics. Measurements/units and measuring devices and scales

Units and measurements are the cornerstones of scientific study. They are the fundamental building blocks of our world, and understanding them is essential for making sense of the data we have. That’s why we’ve compiled this post – to help you get a better grasp on the basics of units and measurements. We’ll be covering topics such as the International System of Units (SI units) and their sub-divisions, the differences between the US customary system and the metric system, and the concept of dimensional analysis. We’ll also be exploring the different ways in which these units and measurements are used in the world of science. we’ve included a series of MCQs based on the topics we’ll be discussing. With these, you’ll be able to test your knowledge on the key concepts and make sure you’re up-to-date on the latest information about units and measurements. So let’s get started!

Q1. The SI unit of power is

(a) Hertz

(b) Volts

(c) Watt

(d) Neutron

(c) Watt

Q2. Frequency is measured in

(a) hertz

(b) metre/second

(d) watt

(a) hertz

Q3. The SI unit of electric power is :

(a) Ampere

(b) Volt

(c) Coulomb

(d) Watt

(d) Watt

Q4. The SI unit of the force is ­

(b) Fermi

(c) Newton

(d) Rutherford

(c) Newton

Q5. The SI unit of work is

(a) Joule

(b) Neutron

(c) Watt

(d) Dyne

(a) Joule

Q6. Light-year is the SI unit of ­

(a) Energy

(b) Intensity

(c) Age

(d) Distance

(d) Distance

Q7. The SI unit of electric current is :

(a) Ampere

(b) Volt

(c) Coulomb

(d) Watt

(a) Ampere

Q8. Angstrom is a SI unit of

(a) velocity

(b) energy

(c) frequency

(d) wavelength

(d) wavelength

Q9. What is the unit of pressure?

(a) Newton / sq. metre

(b) Newton-metre

(c) Newton

(d) Newton/metre

(a) Newton / sq. metre

Q10. The smallest unit of length is ­

(a) Micron

(b) Fermimetre

(c) Angstrom

(d) Nanometre

(b) Fermimetre

Q11. Dobson’ Unit is used for the measurement of ­

(a) Thickness of Earth

(b) Thickness of Ozone layer

(c) Thickness of Diamond

(d) Measurement of Noise

(b) Thickness of Ozone layer

Q12. The velocity of wind is measured by :

(a) Barometer

(b) Anemometer

(c) Hydrometer

(d) Wind vane

(b) Anemometer

Q13. Which of the following device is used to measure electric current

(a) Voltmeter

(b) Ammeter

(c) Voltameter

(d) Potentiometer

(b) Ammeter

Q14. Which one of the instruments is used to measure atmospheric pressure?

(a) Hydrometer

(b) Barometer

(c) Manometer

(d) Hygrometer

(b) Barometer

Q15. Richter scale is used for measuring ­

(a) Amplitude of seismic waves

(b) Intensity of light

(c)  Velocity of sound

(d) Intensity of sound

(a) Amplitude of seismic waves

Q16. Fathometer is used to measure :

(a) Earthquake

(b) Depth of sea

(c) Rain

(d) Sound intensity

(b) Depth of sea

Q17. The device used for detecting lie is known as

(a) Gyroscope

(b) Pyrometer

(c) Polygraph

(d) Kymograph

(c) Polygraph

Q18. The density of milk is measured by?

(a) Hygrometer

(b) Hydrometer

(c) Barometer

(d) Lactometer

(d) Lactometer

Q19. A medical device used for listening to the  sounds of the heart

(a) Viscometer

(b) Hydrometer

(c) Stethoscope

(d) Lactometer

(c) Stethoscope

Q20. A detection system that uses radio  waves to determine the range, angle or  velocity of objects

(a) SONAR

(c) Wind vane

(d) Lactometer

Q21. It gathers and measures the amount of liquid  precipitation over a set period.

(c) Wind vane

(d) Rain Gauge

(d) Rain Gauge

Q22. It is a transducer  that converts sound waves into electrical  signals.

(b) Microphone

(c) Microtome

(d) Nephoscope

(b) Microphone

Q23. Which of the following instruments helps to detect or locate submerged submarines and icebergs.

a) Audiometer

(b) Galvanometer

(c) Sextant

(d) SONAR

(d) SONAR

Mcqs on units and measurements class 11

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