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Kartu Soal

Authored by Oktarina Wulantika

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Kartu Soal
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16 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

Nama

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2.

OPEN ENDED QUESTION

30 sec • Ungraded

Kelas

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3.

OPEN ENDED QUESTION

30 sec • Ungraded

Npm

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4.

OPEN ENDED QUESTION

30 sec • Ungraded

Prodi

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5.

MULTIPLE CHOICE QUESTION

30 sec • Ungraded

Analisislah suatu Permukaan benda pada suhu 37ºC meradiasikan gelombang elektromagnetik. Bila konstanta Wien = 2,898 x 10−3 m.K maka panjang gelombang maksimum radiasi permukaan adalah.....

a. 8,898 x 10⁻⁶ m
b. 9,348 x 10⁻⁶ m
c. 9,752 x 10⁻⁶ m
d. 10,222 x 10⁻⁶ m
e. 11,212 x 10⁻⁶ mpsi 1

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Sebuah benda dengan luas permukaan 100 cm² bersuhu 727ºC Jika koefisien Stefan-Boltzman 5,67 x 10−8 W/mK4 dan emisivitas benda adalah 0,6 tentukan laju rata-rata energi radiasi benda tersebut!

A. 340,2 J/s
B. 342,2 J/s
C. 345,2 J/s
D. 348,2 J/s
E. 350,2 J/si

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Kuanta energi yang terkandung di dalam sinar ultraungu dengan panjang gelombangnya 3300 A, konstanta Planck 6,6 x 10 ̅34 Js dan kecepatan cahaya 3 x 108 m/s sebesar .....

A. 6 x 10 ̅20
B. 6 x 10 ̅19
C. 6 x 10 ̅18
D. 6 x 10 ̅17
E. 6 x 10 ̅16

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