Sound waves cannot travel through a

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Submitted by examrobotsa on

Q: 8 (CDS-I/2018)
Sound waves cannot travel through a
AnyChart Trial Version

question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,58,24,6,6,12,58

keywords: 

{'sound waves': [0, 0, 2, 9], 'wooden hollow pipe': [0, 0, 0, 1], 'silver slab': [0, 0, 0, 1], 'vacuum': [0, 1, 3, 7], 'air': [1, 0, 0, 0], 'copper wire': [0, 0, 0, 3], 'glass prism': [0, 0, 0, 2]}