Chapter 1 – Physical Quantities & Measurement

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–(Exercise: Questions Answers)–[Open]


 

–(Exercise: Numericals/Problems)–[Open]


–(Extra: MCQ’s)–[Open]


 

–(Extra: Short Questions)–[Open]


 

–(Extra: Long Questions)–[Open]


Contents

Section 1:  (Exercise: Questions Answers)

Section 2:  (Exercise: Numericals)

Section 3:  (Extra: MCQ’s)

Section 4:  (Extra: Short Questions)

  1. What is Science?
  2. What Physics?
  3. What are the physical quantities?
  4. What are the basic characteristics of physical quantities?
  5. What are the base quantities?       (LHR 2012, GRW 2013)
  6. What are the derive quantities?      (LHR 2012, 2013, 2015)
  7. Why a standard unit is needed to measure a quantity correctly?
  8. What do you know about International System of Units (SI)?
  9. What are the base units? Write their names and symbols.   (GRW 2013)
  10. What are derived units?
  11. Why multiples and submultiples are used? Describe some standard prefixes, which are internationally used.
  12. What do you know about prefixes?
  13. How numbers are expressed in Scientific Notation?
  14. What do you know about Meter Rule?
  15. Explain the statement, “A micrometer screw gauge measures more accurately than a vernier calipers”.  (GRW 2014)
  16. What do you know about Lever balance?
  17. What is electronic balance? What is its range? And how mass is measured by using electronic balance?
  18. What do you know about Measuring Tape?

Section 5:  (Extra: Long Questions)

  1. Define Science.
  2. Define the branches of Physics.
  3. Describe the importance of Physics in our daily life.
  4. Define physical quantities. Also describe its types.
  5. What is international system of units? Briefly discuss.
  6. Differentiate between base and derived units.
  7. Define prefixes. Also give examples.
  8. Define scientific notation. Also give examples.
  9. Briefly describe a metre rule and measuring tape.
  10. Write a detail note on vernier callipers.
  11. Write a note on the Screw Gauge.
  12. What is Physical Balance? And how it is used?
  13. Briefly explain lever balance and electronic balance?
  14. Which one of the following is the most accurate? Beam balance, Physical balance, and Electronic balance
  15. Write a note on the Stop Watch.
  16. What do you know about Measuring Cylinder? How volume of liquids is measured by using this cylinder?
  17. Define and explain Significant figures. What are the main points to be kept in mind while determining the significant figures of a measurement?
  18. Write down the rules to round off the numbers?

9th Class Notes Links:



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This Post Has 16 Comments

  1. Ghulam Mustafa

    Sir Assalam o alaikum

    1. Author

      Waliakum Assalam!

  2. Shafaqat ali

    Exercise me diye gaye mcqs k answers nai diye gaye why?

    1. Author

      Answers lagy huay hain.. un ka text bold(dark) hai.. mcqs k options mai hi answers hain..

  3. Sana

    Exercise k short questions q ni diye? Or ye just 1 page he show ho rha sb categories ka baqi k pages q ni show ho rhy?

    1. Author

      Reload the Page and wait a minute to load all pages.

  4. AnoUsH

    Thanks you so much for this act of kindness

  5. hisham

    there are no quic quiz

  6. Tayyab Ameen

    Your lectures and notes are very helpful for Normal student

  7. Safa Agent

    Thank you soooo much for giving us helpful notes

    1. Taimoor

      This help in when i am sick and did not attended any class

  8. syed muntazir

    Assalam o alaikum Thank you very much sir

  9. mano

    thank u free ilm ur website helps me alot …

  10. Hann jaya

    Assalam o alaikum sir! How can we download this ??

  11. rana

    sir plz uplod urdu

  12. M.Abuzar

    there is a mistake in Problem 1.5 part b answer one zero is missing

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