scinece grade 9B HOT AND CALOR

Quiz
•
Science
•
9th Grade
•
Easy
Azwar Azwar
Used 1+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah lembaran seng memiliki luas 2 m2 pada suhu 20 oc. jika koefisien muai panjang seng adalah 2,9x10-5. berapakah pertambahan luas seng tersebut ketika suhunya menjadi 120 oC
0,0116 m2
0,1106 m2
0,1611 m2
0,1661 m2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah bingkai foto aluminium memiliki luas 0,25 m2 pada suhu 25 oC. Jika suhu bingkai foto meningkat menjadi 85 oC dan koefisien muai luas aluminium adalah 4,6x 10-5 / oC, hitunglah luas bingkai foto tersebut
0,1552
0,1525
0,2515
0,1255
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah balok bermassa 2 kg memiliki suhu awal 25 oC. balok tersebut dipanaskan sehinga suhunya naik menadi 100 oC. jika kalor jenis besi adalah 450 J/Kg oC, berapa kalor yang dibutuhkan untuk memansakan balok besi tersebut?
65.700 Joule
67.500 Joule
56.800 Joule
80.500 Joule
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sebuah benda bermassa 500 gram menyerap kalor sebesar 15.000 J. jika kalor jenis benda tersebut 400 J/kg oC dan suhu awal 30 oC, berapa suhu akhir benda tersebut?
110 oC
50 oC
10 oC
105 oC
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
perpindahan panas/eneri melalui gelombang elektromagnetik, seperti cahaya atau sinar inframerah disebut?
Radiasi
Populasi
Konveksi
Konduksi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Satuan internasional untuk kalor dan panas adalah joule. 1 joule =...... kalori
0,24
4,2
2,4
4,2
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