Significant Figures and Precision Quiz
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Questions and Answers

What factor did the proposal consider important in describing motion?

  • Distance
  • Time (correct)
  • Weight of the objects
  • External force

Which of the following best describes distance?

  • Change in position from starting point
  • Magnitude and direction
  • Total length traveled (correct)
  • Rate of motion

What does velocity describe?

  • Speed of an object
  • Total length traveled
  • How fast an object moves
  • Position from starting point (correct)

What does acceleration measure?

<p>Change in velocity over time (B)</p> Signup and view all the answers

Which of the following is NOT a vector quantity?

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

Which of the following is NOT a fundamental quantity according to the text?

<p>Volume (C)</p> Signup and view all the answers

What is the standard unit for luminous intensity?

<p>Candela (C)</p> Signup and view all the answers

In the metric system, which system includes units like meter, kilogram, and second?

<p>MKS system (C)</p> Signup and view all the answers

What is the conversion factor from inches to centimeters?

<p>$1 inch = 2.54 cm$ (D)</p> Signup and view all the answers

Which branch of physics deals with the nature of propagation of light?

<p>Optics (B)</p> Signup and view all the answers

Which quantity is measured in Candela?

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

What is the standard unit for mass in the SI system?

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

What does Thermodynamics primarily deal with?

<p>Heat flow and temperature measurements (B)</p> Signup and view all the answers

Which branch of physics combines principles and methods of physics and chemistry?

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

What does Particle Physics mainly deal with?

<p>Structure of elementary particles (D)</p> Signup and view all the answers

Which branch of physics emphasizes electric charge and current?

<p>Electricity and Magnetism (C)</p> Signup and view all the answers

What does Astrophysics focus on?

<p>Physical laws concerning astronomical objects (C)</p> Signup and view all the answers

How many significant figures are there in the number 0.0250?

<p>3 (D)</p> Signup and view all the answers

What does precision in measurements refer to?

<p>The degree of agreement between different values obtained under the same condition (B)</p> Signup and view all the answers

Which system of measurements uses foot for length, pound for mass, and second for time?

<p>British system (fps) (B)</p> Signup and view all the answers

What are derived quantities?

<p>Quantities that depend on other quantities (C)</p> Signup and view all the answers

In the number 7.0080, how many significant figures are there?

<p>5 (A)</p> Signup and view all the answers

What is accuracy in measurements related to?

<p>The agreement between the experimental result and the true value (D)</p> Signup and view all the answers

Which type of physical quantity possesses only magnitude?

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

What is the main difference between scalar and vector quantities?

<p>Scalar quantities have only magnitude, while vector quantities have magnitude and direction. (D)</p> Signup and view all the answers

What is the resultant vector of two vectors acting in opposite directions called?

<p>Displacement (C)</p> Signup and view all the answers

Which trigonometric function relates the Opposite side and the Hypotenuse in a right triangle?

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

According to Galileo Galilei, what was the natural tendency of an object?

<p>To move at a constant rate in a straight line (B)</p> Signup and view all the answers

What branch of mechanics deals with the relationship of motion to its causes?

<p>Dynamics (B)</p> Signup and view all the answers

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