PhysicsLAB: Drill: Refraction and Lenses

PhysicsLAB

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Drill: Refraction and Lenses

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	What is Snell's Law - the bending of a wavefront as its moves from one medium to a second

	What is the formula to calculate the critical angle -- when is it used?

	What is the formula that relates d_o, d_i, and f for a thin lens?

	When is d_i positive? negative?

	When is f positive? negative?

	What formula can be used to calculate the magnification for a thin lens?

	What formula is sued to to calculate the power of a lens?

	Which type of image can be projected onto a screen?

	Describe the three rays used to graphically locate the image for a converging lens.

	What types of rays form a virtual image?

	formula to calculate the power of a series of thin lenses in close combination (with no medium between them)

	What is the only situation when a converging lens forms a virtual image? is the image upright or inverted? enlarged or reduced?

	What type of image is ALWAYS formed by a diverging lens? Is it upright or inverted? enlarged or reduced?

	True or false. Changing the medium that surrounds a lens can change it from a converging lens to a diverging lens?

	What is the formula to adjust the wavelength of light in a transparent medium

	What is the thin lens equation for converging lens

	What is the thin lens equation for diverging lens

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