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Q106 (UPPCS/2024) Science & Technology › Basic Science (Physics, Chemistry, Biology)

Which of the following is a correct relationship between Fahrenheit (°F) and Celsius (°C) degrees ?

Result
Your answer: —  ·  Correct: C

Explanation

The relationship between the Fahrenheit (°F) and Celsius (°C) scales is based on the freezing and boiling points of water. In the Celsius scale, water freezes at 0°C and boils at 100°C (a range of 100 units). In the Fahrenheit scale, water freezes at 32°F and boils at 212°F (a range of 180 units).

The ratio of the scales is 180/100, which simplifies to 9/5. Therefore, the conversion formula is:
°F = (9/5 × °C) + 32

Option A is incorrect because it incorrectly applies the ratio to Fahrenheit to find Celsius. Options B and D are incorrect because 273.15 is the value used for converting between Celsius and Kelvin (K = °C + 273.15), representing absolute zero.

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