What is the slit spacing of a diffraction necessary for a 600 nm light to have a first order principal maximum at 25.0°?
A) 1.42 ?m
B) 2.01 ?m
C) 3.12 ?m
D) 4.12 ?m
E) 5.44 ?m
A
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a. True b. False Indicate whether the statement is true or false
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A) a star that is still in the process of forming B) an intermediate-mass star C) a star that has planets D) a star in its final stage of life
We can't detect stellar parallax with naked-eye observations. Which of the following would make parallax easier to observe?
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A traveler has about $536 in his checking account, about $2107 in his savings account and exactly $7.62 in his wallet. To the greatest precision warranted, how much money does this shopper have?
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