Question

1. When a nearsighted person looks at an object that is in the distance with their...

1. When a nearsighted person looks at an object that is in the distance with their glasses on, the image that is produced should be

Select one:

a. at infinity

b. at their eye' s near point

c. at their eye's far point

d. approximately 25 cm from their eye

2. The power of a lens

Select one:

a. the same as the magnification of the lens

b. is the reciprocal of the focal length (when f is in meters)

c. depends on the object distance

d. is the maximum amount of light a lens can focus

3. Light from a coherent source is split into two beams with intensities IoIo and 4Io4Io. What is the intensity when they destructively interfere.

Select one:

a. Io

b. 9Io

c. 5Io

0 0
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