The pressure inside the soap bubble is less than atmospheric pressure. Surface tension of the soap film creates a pressure slightly higher than outside, but still less than atmospheric pressure. This pressure difference keeps the bubble stable. Therefore, the correct ...
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Water boils at temperatures below 100°C at high altitudes because atmospheric pressure decreases. With reduced pressure, water’s boiling point lowers. Gravity’s effect and mountain winds don’t significantly impact boiling point. Therefore, the correct explanation is the decrease in atmospheric pressure.
If the mass of the Earth remains the same and the radius decreases by 1%, then the value of ‘g’ at the surface of the Earth will increase by will increase by 2%. This is because gravitational acceleration ‘g’ is ...
Ink comes out from a fountain pen in an aeroplane because air pressure decreases with increase in altitude. As the plane ascends, the surrounding air pressure decreases, causing the air inside the pen to expand. This expansion can force ink ...
Sometimes in the mountains, people start bleeding from the nose and mouth because atmospheric pressure decreases with increase in altitude. This decrease in pressure can cause blood vessels in the nose and mouth to rupture due to the reduced external ...