CTET 2 Math and Science 20 Dec 2021 Paper
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Question : 80 of 150
Marks:
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Read the following statements and choose the correct option.
Assertion (A) - The speed of sound is more on a hot summer day than on a cold winter day.
Reason (R) - The density of hot air is less than the density of cold air.
Assertion (A) - The speed of sound is more on a hot summer day than on a cold winter day.
Reason (R) - The density of hot air is less than the density of cold air.
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