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Asked: 2025-01-30T09:56:43+00:00 In:

On converting 25 °C, 38 °C and 66 °C to Kelvin scale, the correct sequence of temperature will be (a) 298 K, 311 K and 339 K (b) 298 K, 300 K and 338 K (c) 273 K, 278 K and 543 K (d) 298 K, 310 K and 338 K

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Poll Results

37.5%(a) 298 K, 311 K and 339 K ( 3 voters )
37.5%(b) 298 K, 300 K and 338 K ( 3 voters )
25%(c) 273 K, 278 K and 543 K ( 2 voters )
0%(d) 298 K, 310 K and 338 K
Based On 8 Votes

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The Kelvin temperature is found by adding 273 to the Celsius temperature. Thus, 25°C = 298 K, 38°C = 311 K, and 66°C = 339 K, making option (a) the correct choice.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.

class 9thkelvin scalemcqscience
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    1 Answer

    1. (a) 25 °C = 273 + 25 = 298 K, 38 °C = 273 + 38 = 311 K, 66 °C = 273 + 66 = 339 Κ.

      https://www.tiwariacademy.com/ncert-solutions/class-9/science/chapter-1/

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