8/8/2019 scele 19 nov

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8/8/2019 scele 19 nov

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Choose one answer.a. 0,414^{\circ}b. 0,417^{\circ}c. 0,423^{\circ}d. 0,420^{\circ}e. 0,411^{\circ}

Question 4

Marks: 1Seorang penyelam melihat Matahari yang tampak pada sudut 52,3^{\circ} di atas horizontal. Berapakah sudut elevasi sebenarnya Matahari ini terhadap horizontal?Choose one answer.

a. 35,6^{\circ}b. 35,0^{\circ}c. 33,4^{\circ}d. 34,5^{\circ}e. 33,9^{\circ}

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Kuis awal materi:Perambatan dan Polarisasi Cahaya - Attempt 1Page: (Previous) 1 2 3 4 5 (Next)Question 5Marks: 1A beam of monochromatic light goes from material 1 with index of refraction n_1into material 2 with index of refraction n_2. The frequency of light in material1 is f_1 and in material 2 is f_2. What is the ratio of f_1/f_2?Choose one answer.

a. (n_2/n_1)^2b. The values of n_1 and n_2 must be known to find the answer.c. n_1/n_2d. n_2/n_1

e. 1Question 6Marks: 1If you were going to send a beam of light to the Moon when it is just above thehorizon, you would aimChoose one answer.

a. low.b. directly at the Moon.c. to the right of the Moon.d. high.e. to the left of the Moon.

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