ZZEZEE

Authored by Diana Sari

Physics

7th Grade

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10 questions

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MULTIPLE CHOICE QUESTION

30 sec • 10 pts

What is the formula to calculate heat energy required to raise the temperature of any substance?

$Q=m\times c\times\Delta T$

$Q=m\times c$

$m=Q\times\Delta T$

$Q=\frac{1}{2}m\times v$

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Calculate the quantity of heat needed to raise the temperature of 2 kg of water from 30 °C to 80 °C? (spesific heat of water is 4200 J/kg°C)

100 J

4200 J

8400 J

420.000 J

MULTIPLE CHOICE QUESTION

1 min • 10 pts

An iron which has a mass of 500 gram is heated from 25 $\degree C$ to 65 $\degree C$ . If the specific heat of iron is 460 J/Kg°C, then energy required to change its temperature is ...

460 J

9200 J

20.000 J

920.000 J

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Besar kalor yang diperlukan oleh 2 kg es pada proses A ke C, jika kalor jenis es 2.100 J/kg°C, kalor lebur es 360.000 J/kg, dan kalor jenis air 4.200 J/kg°C adalah .....

762.000 J

5.520.000 J

42.000 J

2.100.000

MULTIPLE CHOICE QUESTION

1 min • 10 pts

Keping bimetal terdiri dari
keping berwarna hitam memiliki koefisien muai panjang yang
0.000019/°C
keping bimetal berwarna putih memiliki koefisien muai panjang
0.000017/°C
Keping bimetal dipanaskan sehingga setiap bagian dari keping tersebut mengalami pemuaian.
Gambar keping bimetal yang tepat setelah dipanaskan ditunjukan pada nomor ....

III

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

The candle will slowly heat the metal and transfer the heat directly to the mans hand

conduction

convection

radiation

isolation

MULTIPLE CHOICE QUESTION

1 min • 10 pts

What is an example of thermal energy transfer by radiation?

A metal spoon becoming hot in a bowl of soup

Water boiling in a pot on a burner on the stove

The Sun heating the surface of the Earth

A hot air balloon releasing gas and rising

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ZZEZEE

What is the formula to calculate heat energy required to raise the temperature of any substance?

Calculate the quantity of heat needed to raise the temperature of 2 kg of water from 30 °C to 80 °C? (spesific heat of water is 4200 J/kg°C)

An iron which has a mass of 500 gram is heated from 25 $\degree C$ to 65 $\degree C$ . If the specific heat of iron is 460 J/Kg°C, then energy required to change its temperature is ...

Besar kalor yang diperlukan oleh 2 kg es pada proses A ke C, jika kalor jenis es 2.100 J/kg°C, kalor lebur es 360.000 J/kg, dan kalor jenis air 4.200 J/kg°C adalah .....

The candle will slowly heat the metal and transfer the heat directly to the mans hand

What is an example of thermal energy transfer by radiation?

In heat transfer, heat always flows from the _ substance to the _ substance.

Anisa mendinginkan sebuah bimetal yang terbuat dari lempengan tembaga dan besi dengan api. Jika koefisien muai panjang tembaga adalah 17 x 10^-6 /ºC sedangkan besi 12 x 10^-6 /ºC, maka bentuk bimetal yang terjadi adalah….

Boiling Water (a)

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Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

ZZEZEE

What is the formula to calculate heat energy required to raise the temperature of any substance?

Calculate the quantity of heat needed to raise the temperature of 2 kg of water from 30 °C to 80 °C? (spesific heat of water is 4200 J/kg°C)

An iron which has a mass of 500 gram is heated from 25 °C\degree C°C to 65 °C\degree C°C . If the specific heat of iron is 460 J/Kg°C, then energy required to change its temperature is ...

Besar kalor yang diperlukan oleh 2 kg es pada proses A ke C, jika kalor jenis es 2.100 J/kg°C, kalor lebur es 360.000 J/kg, dan kalor jenis air 4.200 J/kg°C adalah .....

The candle will slowly heat the metal and transfer the heat directly to the mans hand

What is an example of thermal energy transfer by radiation?

In heat transfer, heat always flows from the _______________ substance to the _______________ substance.

Anisa mendinginkan sebuah bimetal yang terbuat dari lempengan tembaga dan besi dengan api. Jika koefisien muai panjang tembaga adalah 17 x 10-6 /ºC sedangkan besi 12 x 10-6 /ºC, maka bentuk bimetal yang terjadi adalah….

Boiling Water (a)

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Physics

An iron which has a mass of 500 gram is heated from 25 $\degree C$ to 65 $\degree C$ . If the specific heat of iron is 460 J/Kg°C, then energy required to change its temperature is ...

In heat transfer, heat always flows from the _ substance to the _ substance.

Anisa mendinginkan sebuah bimetal yang terbuat dari lempengan tembaga dan besi dengan api. Jika koefisien muai panjang tembaga adalah 17 x 10^-6 /ºC sedangkan besi 12 x 10^-6 /ºC, maka bentuk bimetal yang terjadi adalah….