PH 2 Semester genap Bab VII Kalor/Panas
Quiz
•
Physics
•
7th Grade
•
Hard
sd elearning
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19 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es bermassa 100 g,mempunyai kalor jenis 2100 J/kg℃ dan bersuhu -20 ℃.Berapa kapasitas kalor es tersebut ?
2100J/℃
42000J/℃
4200J/℃
210J/℃
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air sebanyak 500 gram di panaskan dari suhu awal 10 ℃.kalor jenis air 4200J/kg℃ dan kalor yang diberikan 189KJBerapa suhu akhir air yang terjadi ?
A. 80 ℃
B. 60 ℃
C. 90 ℃
D.100 ℃
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suatu benda di katakan memiliki kalor jenis besar bila
A. kenaikan suhu lambat
B. pemuaian cepat
C. cepat panas
D. cepat menguap
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sepotong logam mempunyai kalor jenis 900 J/kg ℃ di panaskan dari suhu 20 ℃ sampai 30 ℃.Bila kalor yg di perlukan 4500 J,maka massa logam tersebut adalah....kg
A. 0,4kg
B. 0,3kg
C. 0,5kg
D. 0,6 kg
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kapasitas kalor logam adalah 308,8 J/℃,massa logam 800 gram.Berapa kalor jenis logam ?
A. 700 J/kg℃
B. 386J/kg℃
C.600 J/kg℃
D. 900J/kg℃
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebanyak 600 gram air bersuhu 60 ℃ di panaskan menjadi uap seluruhnya. Berapa jumlah kalor untuk semua proses di atas ?Kalor jenis air 4200J/kg℃,kalor uap air 1260 000J/kg
A. 856800J
B. 900 000 J
C. 756000J
D. 100800 J
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Peristiwa angin laut dan angin darat merupakan perpindahan kalor secara
a.radiasi
b. konduksi
c. langsung
d. konveksi
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