Science, asked by sonalii, 1 year ago

please please tell wright answer
ans are P
Q
R
S

Attachments:

sonalii: please tell
sonalii: fast
manvi9818: a part I'm sure becase it it written in my book
sonalii: what is ans
manvi9818: 1 vibration per minute
sonalii: and of 28
sonalii: tell
sonalii: of 28
sonalii: tell please
manvi9818: b part is answer

Answers

Answered by manvi9818
0
Part b is your answer
Answered by RITHVIKA9999
0
s is ur answer .........
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