SELECT * FROM question_mgmt as q WHERE id=3940 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=180 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Matter in Our Surroundings convert the following temperatures to the celsius

Question:

Convert the following temperatures to the Celsius scale.

(a) 300 K                 (b) 573 K.

Answer:

K = 273 + C*

(a)  K = 300
       K = 273 + C
       300 = 273 + C
       C = 300 - 273
       C = 27*

 

(b)  K = 573
       K = 273 + C
       573 = 273 + C
       C = 573 - 273
       C = 300*


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