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2 cards from this section. Quick, good the night before a test.
What is the definition of magnification?
Think about how lenses make things appear bigger.
In the mirror formula, what does 'u' represent?
It's a distance measurement from the mirror to the object.
What is the formula for calculating magnification in mirrors?
Remember the nature of images formed by mirrors.
True or False: Magnification is always a positive number.
Consider the orientation of images in mirrors.
A student uses a telescope with an objective focal length of 20 cm and an eyepiece of 5 cm. Calculate the total magnification of the telescope.
Check the relationship of focal lengths in telescope magnification.
An object placed at 15 cm from a concave mirror produces an image at 10 cm. Calculate the magnification and state whether it's upright or inverted.
Carefully apply the signs of distances for concave mirrors.
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