in the topic of measuring atmospheric pressure check the last paragraph, it says “water barometer” where a tube of more than 10m is required so I think the answer is right. Correct me if I am wrong.
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MCQ number 4 is wrong. the glass tube is 1m as mentioned in the book(of Punjab board)
the mentioned is simple but above one is water barometer
in the topic of measuring atmospheric pressure check the last paragraph, it says “water barometer” where a tube of more than 10m is required so I think the answer is right. Correct me if I am wrong.
Dear Designated,
You need to improve your server first because it does not work properly and smoothly. Furthermore, pages do not appear for a long.
I HOPE THAT YOU WILL PAY ATTENTION YO MY COMMENT.
THANK YOU!