# Suhu Dan Pengukuran

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Quizzes Created: 1 | Total Attempts: 356
Questions: 10 | Attempts: 356

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Jawablah Pertanyaan di bawah ini dengan cara memilih jawaban yang benar di antara pilihan jawaban a,b,c dan d Nilai anda akan menunjukan sejauhmana kalian sudah menguasai materi pelajaran Suhu dan Pengukuran

• 1.

### Orang yang sehat akan mempunyai suhu tubuh rata-rata ... .

• A.

27° C

• B.

35° C

• C.

37° C

• D.

40° C

C. 37° C
Explanation
The average body temperature of a healthy person is 37° C. This temperature is considered normal for adults and is an indication of a balanced and healthy body. It is important to note that body temperature can vary slightly from person to person, but 37° C is generally accepted as the standard.

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• 2.

### Termometer klinis skalanya mempunyai batas bawah dan batas atas... .

• A.

20 ° C – 50 ° C

• B.

30 ° C – 40 ° C

• C.

35 ° C – 42 ° C

• D.

35 ° C – 45° C

C. 35 ° C – 42 ° C
Explanation
The correct answer is 35 ° C – 42 ° C. This is because a clinical thermometer is designed to measure the human body temperature, which typically falls within the range of 35 ° C to 42 ° C. The lower limit of 35 ° C ensures that temperatures below normal body temperature can be accurately measured, while the upper limit of 42 ° C allows for the measurement of fevers, which are commonly within this range.

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• 3.

### Yang digunakan untuk titik tetap atas termometer fahrenheit adalah ...

• A.

Es yang sedang mencair diberi angka nol

• B.

Air yang sedang mendidih diberi angka 100

• C.

Es yang sedang mencair diberi angka 32

• D.

Air yang sedang mendidih diberi angka 212

D. Air yang sedang mendidih diberi angka 212
Explanation
The correct answer is that water boiling is given the number 212 on the Fahrenheit thermometer. This is because the Fahrenheit scale was developed by Daniel Gabriel Fahrenheit, who set the freezing point of water at 32 degrees and the boiling point at 212 degrees.

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• 4.

### Perbandingan skala termometer berikut ini yang benar adalah ... .

• A.

C : R = 4 : 5

• B.

C : F = 5 : 9

• C.

R : F = 9 : 4

• D.

C : (F-32) : 5 : 9

D. C : (F-32) : 5 : 9
Explanation
The correct answer is C : (F-32) : 5 : 9. This is the correct comparison of scales for the thermometer. It shows the relationship between Celsius (C), Fahrenheit (F), and the difference between Fahrenheit and 32. The ratio 5:9 represents the conversion from Celsius to Fahrenheit, where for every 5 degrees Celsius, there are 9 degrees Fahrenheit. The inclusion of (F-32) indicates the adjustment needed to convert Fahrenheit to Celsius.

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• 5.

### Kelebihan air raksa dibandingkan dengan alkohol jika digunakan untuk termometer adalah sebagai berikut, kecuali ... .

• A.

Dapat digunakan untuk mengukur suhu di bawah - 40° C

• B.

Warnanya mengkilap

• C.

Tidak membasahi dinding kaca

• D.

Cepat menyesuaikan suhu disekitarnya

A. Dapat digunakan untuk mengukur suhu di bawah - 40° C
Explanation
Air raksa memiliki kelebihan dibandingkan dengan alkohol jika digunakan untuk termometer, seperti warnanya yang mengkilap, tidak membasahi dinding kaca, dan cepat menyesuaikan suhu disekitarnya. Namun, air raksa tidak dapat digunakan untuk mengukur suhu di bawah -40° C.

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• 6.

### Prinsip kerja termometer raksa adalah ... .

• A.

Pemuaian panjang kaca

• B.

Pemuaian volume kaca

• C.

Pemuaian panjang raksa

• D.

Pemuaian volume raksa

D. Pemuaian volume raksa
Explanation
The correct answer is "pemuaian volume raksa". Mercury thermometers work based on the expansion of mercury volume. As the temperature increases, the volume of mercury inside the thermometer expands, causing the level of mercury to rise in the glass tube. This expansion and contraction of mercury volume are used to measure and indicate changes in temperature.

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• 7.

### Pada percobaan tangan kanan masuk ke air panas dan tangan kiri masuk ke air dingin. Ketika kedua tangan dimasukkan secara bersamaan ke air biasa, peryataan yang benar adalah ... .

• A.

Tangan kanan dan kiri terasa dingin

• B.

Tangan kanan dan kiri terasa hangat

• C.

Tangan kiri terasa dingin dan tangan kanan hangat

• D.

Tangan kiri terasa hangat dan tangan kanan terasa dingin

C. Tangan kiri terasa dingin dan tangan kanan hangat
Explanation
When the right hand is immersed in hot water and the left hand is immersed in cold water, the temperature receptors in each hand adapt to the respective temperatures. When both hands are simultaneously immersed in room temperature water, the temperature receptors in the left hand, which have adapted to the cold temperature, will perceive the room temperature water as cold. On the other hand, the temperature receptors in the right hand, which have adapted to the hot temperature, will perceive the room temperature water as warm. Therefore, the correct statement is that the left hand feels cold and the right hand feels warm.

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• 8.

### Pernyataan tentang indera peraba berikut ini benar, kecuali ... .

• A.

Tangan dapat digunakan untuk mengukur suhu karena dapat merasakan panas dan dingin

• B.

Pengukuran suhu dengan tangan sangat tepat karena berdasarkan perasaan

• C.

Tangan dapat merasakan suhu sangat dingin dan suhu sangat panas

• D.

Indera peraba kurang cepat menyesuaikan dengan suhu lingkungan

B. Pengukuran suhu dengan tangan sangat tepat karena berdasarkan perasaan
Explanation
The statement "pengukuran suhu dengan tangan sangat tepat karena berdasarkan perasaan" is incorrect. This is because the sense of touch is subjective and can vary from person to person. It is not a precise or accurate method of measuring temperature.

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• 9.

### Satuan suhu dalam Sistem Internasional (SI) adalah ... .

• A.

Kelvin

• B.

Celcius

• C.

Reamur

• D.

Fahrenheit

A. Kelvin
Explanation
The correct answer is kelvin. Kelvin is the unit of temperature in the International System of Units (SI). It is the base unit of temperature and is defined as 1/273.16 of the triple point of water. Unlike Celsius and Fahrenheit, Kelvin does not use negative values for temperatures below freezing point. It is commonly used in scientific and engineering calculations where absolute temperature is required.

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• 10.

• A.

Kalor

• B.

Suhu

• C.

Derajat

• D.

Celcius