Question

precautions of Mercury Barometer? In points.​

Answer 1

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• The barometer tube should be perfectly clean and dry.
• The mercury should be pure and dry.
• No air bubble should be left inside the tube filled with mercury.
• Record the vertical height of the mercury column in the tube, by holding the tube in an upright position.

Answer 2

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☆The barometer tube should be perfectly clean and dry.

☆The mercury should be pure and dry.

☆No air bubble should be left inside the tube filled with mercury.

☆Record the vertical height of the mercury column in the tube, by holding the tube in an upright position.

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