Reflection of Light Rays on a Reflecting Surface:
When a light ray strikes a surface separating two media with different optical properties, part of the light energy is reflected back to the media where...
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1. Simplifying fractional exponents:
The base b raised to the power of n/m is equal to:
bn/m = (m√b)n = m√(bn)
Example:
The base 2 raised to the power of 3/2 is equal to 1 divided by the...
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Find a periodic table of elements. This is a color-coded table made up of many different squares that lists all of the chemical elements known to humankind. The periodic table reveals lots of information...
Factors that two numbers have in common are called the common factors of those numbers.
Example: What are the common factors of 20 and 25? The factors of 20 are 1, 2, 4, 5, and 20. The factors...