Grade 10 Physics

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Questions and Answers

Which of the following is a derived unit?

  • Kilogram
  • Second
  • Meter
  • Velocity (correct)

What is the base unit of distance in the SI system?

  • Centimeter
  • Meter (correct)
  • Foot
  • Inch

Which system uses the units cm, g, and s?

  • SI
  • MKS
  • FPS
  • CGS (correct)

What is the base unit of mass in the SI system?

<p>Kilogram (A)</p> Signup and view all the answers

The prefix 'nano' means:

<p>(10^{-9}) (A)</p> Signup and view all the answers

Which of the following is NOT a base unit in the SI system?

<p>Gram (D)</p> Signup and view all the answers

What is the scientific notation of 0.0000032?

<p>3.2x10^-6 (C)</p> Signup and view all the answers

Which is the smallest unit of length?

<p>Nanometer (D)</p> Signup and view all the answers

What is the prefix 'pico' equivalent to?

<p>1x10^-12 (A)</p> Signup and view all the answers

Which unit is commonly used to measure the distance between stars?

<p>Light year (A)</p> Signup and view all the answers

Flashcards

Derived unit of velocity

A unit of measure for velocity, obtained from other base units (distance and time).

SI base unit of distance

The meter (m).

CGS system

A system of units, using centimeter (cm) for length, gram (g) for mass, and second (s) for time.

SI base unit of mass

The kilogram (kg).

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'nano' prefix

10^-9

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Non-SI base unit

Gram (g).

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Scientific notation of 0.0000032

3.2 x 10^-6

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Smallest unit of length

Nanometer

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'pico' prefix equivalent

1 x 10^-12

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Unit for interstellar distance

Light-year

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