Measurement | Unit 1 | Class 9 | Physics | Science | Samacheer Kalvi | TNPSC
Video by EduDeck – The Learning App – Samacheer Kalvi via YouTube
Source
Book Back Questions & Answers, Exercises, Solutions, Tests, Quizzes, Videos and Podcasts for Class 9 | Measurement| Unit 1 | Physics | Science | Samacheer Kalvi – English Medium | TNPSC
Exercises: https://www.thelearning.app/samacheer-kalvi-english-medium/class-9/science-4/measurement/exercises
Podcasts: https://www.thelearning.app/samacheer-kalvi-english-medium/class-9/science-4/measurement/videos
Tests & Quizzes: https://www.thelearning.app/samacheer-kalvi-english-medium/class-9/science-4/measurement/tests
Flash Cards: https://www.thelearning.app/samacheer-kalvi-english-medium/class-9/science-4/measurement/flashcards
Visit https://www.thelearning.app by EduDeck. Learn, Practice & Evaluate From Anywhere.
Questions answered in this video –
00:00 Intro
00:14 1. Choose the correct one.
2. Rulers, measuring tapes and metre scales are used to measure
3. 1 metric ton is equal to
4. Which among the following is not a device to measure mass?
5. Metre is the unit of ________
6. 1 kg of rice is weighed by ______
7. Thickness of a cricket ball is measured by _________
8. Radius of a thin wire is measured by ___________
9. A physical balance measures small differences in mass up to ______
10. The SI unit of electric current is kilogram.
11. Kilometre is one of the SI units of measurement.
12. In everyday life, we use the term weight instead of mass.
13. A physical balance is more sensitive than a beam balance
14. One Celsius degree is an interval of 1K and zero degree Celsius is 273.15 K.
15. With the help of vernier caliper we can have an accuracy of 0.1 mm and with screw gauge we can have an accuracy of 0.01 mm.
16. Length
17. Mass
18. Time
19. Temperature
20. Screw gauge
21. Vernier Caliper
22. Beam balance
23. Digital balance
24. (A): The scientifically correct expression is The mass of the bag is 10 kg.. (R): In everyday life, we use the term weight instead of mass.
25. (A): 0 C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal… (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.
26. (A): Distance between two celestial bodies is measured in terms of light year… (R): The distance travelled by the light in one year is one light year.