Benda hitam adalah benda yang:

Ujian Fisika Kelas XII

Quiz
•
Physics
•
12th Grade
•
Medium
Masrinasari Siregar
Used 1+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Memantulkan seluruh radiasi yang diterimanya
Menyerap sebagian radiasi yang diterimanya
Tidak memantulkan maupun menyerap radiasi
Menyerap seluruh radiasi yang diterimanya
Memancarkan semua radiasi yang diterimanya
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hukum Stefan-Boltzmann menyatakan bahwa daya radiasi benda hitam berbanding lurus dengan:
Suhu mutlaknya
Kuadrat suhu mutlaknya
Pangkat empat suhu mutlaknya
Volume benda tersebut
Waktu benda tersebut memancarkan radiasi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah benda hitam berada pada suhu 3000 K. Panjang gelombang maksimum radiasi yang dipancarkan benda tersebut adalah:
1 μm
0,5 μm
2,898 μm
9,66 μm
3,00 μm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika suhu suatu benda hitam dinaikkan dua kali lipat, maka daya yang dipancarkannya akan menjadi:
2 kali lipat
4 kali lipat
8 kali lipat
16 kali lipat
Tidak berubah
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Konstanta Planck memiliki nilai:
6,63×10-34 Js.
3,00×10-34 m/s
1,38×10-23 J/K
9,81 m/s
5,67×10-8 W/m2K
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Panjang gelombang maksimum radiasi benda hitam bergeser ke arah panjang gelombang yang lebih pendek jika:
Massa benda bertambah
Luas permukaan benda berkurang
Suhu benda meningkat
Warna benda berubah
Volume benda bertambah
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rumus daya radiasi benda hitam sesuai hukum Stefan-Boltzmann adalah:
P=σTP
P=σPT2
P=σPT3
P=σPT4
P=σ⋅T⋅AP
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