National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 3

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Class : Class 2

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Class : Class 3

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Subject :NSO    Class : Class 8

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Class : Class 8
the answer must be a according to me, what do you think? because in the REPORT, it is given that correct answer is b?!

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 8

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Subject :NSO    Class : Class 5

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Class : Class 5

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 1

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Subject :NSO    Class : Class 8

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Class : Class 9
It should be c. The temperature does not affect the frequency of sound.

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