10 Questions
In direct proportionality, if the independent variable x is not equal to 0, how can the proportionality constant k be expressed?
$k = \frac{y}{x}$
What does it mean for two variables to be directly proportional?
The ratio of the two variables is constant.
How can direct proportionality be represented using symbols?
$y \propto x$ or $y \sim x$
In a linear equation representing direct proportionality, what are the characteristics of the equation?
A y-intercept of 0 and a slope of k
What is another name for the proportionality constant in direct proportionality?
Constant of proportionality
What is the speed of light in vacuum, a fundamental constant of nature?
299792458 m/s
What is the range of wavelengths for visible light, as defined in the text?
400–700 nanometres (nm)
What are the primary properties of light mentioned in the text?
Intensity, propagation direction, frequency or wavelength spectrum, and polarization
What represents the quanta of electromagnetic field and can be analyzed as both waves and particles?
Photons
What is the main source of natural light on Earth mentioned in the text?
$ ext{The Sun}$
Test your knowledge of proportional and inversely proportional sequences in mathematics with this quiz. Understand the concepts of coefficient of proportionality and constant of normalization in experimental data.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
