A magician can make a candle look as if it is burning under water by focusing light from a candle flame burning in air directly on top of an underwater candle. To do this you want to use a (Hint: eliminate those that cannot work.)

a. concave mirror farther than one focal length from the burning candle.
b. a convex mirror farther than one focal length from the burning candle.
c. a biconcave lens farther than one focal length from the burning candle.
d. a concave mirror closer than one focal length to the burning candle.
e. a convex lens closer than one focal length to the burning candle.


a

Physics & Space Science

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If sunlight of color B is scattered through an angle 16 times greater than sunlight of color A, then the wavelength of color B is

A) twice that of color A. B) 1/2 that of color A. C) 16 times that of color A. D) 1/16 that of color A. E) 1/4 that of color A.

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