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How can we convert temperature from Celsius to Kelvin?
- a)Multiply the Celsius value by 2
- b)Add 273.15 to the Celsius value
- c)Subtract 273.15 from the Celsius value
- d)Divide the Celsius value by 2
Correct answer is option 'B'. Can you explain this answer?
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How can we convert temperature from Celsius to Kelvin?a)Multiply the C...
Understanding Temperature Conversion
When converting temperature from Celsius to Kelvin, the key is to understand the relationship between these two scales. Kelvin is an absolute temperature scale, where 0 K (zero Kelvin) is equivalent to -273.15°C, the point at which all molecular motion stops.
Why Add 273.15?
- The Kelvin scale starts at absolute zero, while the Celsius scale starts at the freezing point of water (0°C).
- To convert Celsius to Kelvin, you need to shift the scale upwards by the amount of degrees that represent absolute zero.
- Since 0°C corresponds to 273.15 K, you simply add 273.15 to the Celsius temperature.
Conversion Formula
- The formula to convert Celsius (C) to Kelvin (K) is:
K = C + 273.15
Example of Conversion
- If you have a temperature of 25°C:
K = 25 + 273.15 = 298.15 K
- This shows how you shift from the Celsius scale to the Kelvin scale.
Why Other Options Are Incorrect
- Option a: Multiply by 2 does not account for the absolute zero and does not provide any meaningful conversion.
- Option c: Subtracting 273.15 would actually give a negative Kelvin value, which is not possible.
- Option d: Dividing by 2 also fails to provide the correct relationship between the two temperature scales.
In conclusion, the correct method to convert Celsius to Kelvin is to add 273.15 to the Celsius temperature, making option B the right answer.
When converting temperature from Celsius to Kelvin, the key is to understand the relationship between these two scales. Kelvin is an absolute temperature scale, where 0 K (zero Kelvin) is equivalent to -273.15°C, the point at which all molecular motion stops.
Why Add 273.15?
- The Kelvin scale starts at absolute zero, while the Celsius scale starts at the freezing point of water (0°C).
- To convert Celsius to Kelvin, you need to shift the scale upwards by the amount of degrees that represent absolute zero.
- Since 0°C corresponds to 273.15 K, you simply add 273.15 to the Celsius temperature.
Conversion Formula
- The formula to convert Celsius (C) to Kelvin (K) is:
K = C + 273.15
Example of Conversion
- If you have a temperature of 25°C:
K = 25 + 273.15 = 298.15 K
- This shows how you shift from the Celsius scale to the Kelvin scale.
Why Other Options Are Incorrect
- Option a: Multiply by 2 does not account for the absolute zero and does not provide any meaningful conversion.
- Option c: Subtracting 273.15 would actually give a negative Kelvin value, which is not possible.
- Option d: Dividing by 2 also fails to provide the correct relationship between the two temperature scales.
In conclusion, the correct method to convert Celsius to Kelvin is to add 273.15 to the Celsius temperature, making option B the right answer.
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Community Answer
How can we convert temperature from Celsius to Kelvin?a)Multiply the C...
To convert temperature from Celsius to Kelvin, use the following formula:
- Start with the Celsius temperature.
- Add 273.15 to the Celsius value.
- The result will be the temperature in Kelvin.
For example, if the temperature is 25°C:
- 25 + 273.15 = 298.15 K
This simple addition allows you to easily switch between the two temperature scales.
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