(a) When a barometer is taken to a mine, it’s reading increases because the atmospheric pressure increases with depth.
(b) When a barometer is taken to a hill, it’s reading decreases because atmospheric pressure decreases with increase in altitude.
(a) When a barometer is taken to a mine, it’s reading increases because the atmospheric pressure increases with depth.
(b) When a barometer is taken to a hill, it’s reading decreases because atmospheric pressure decreases with increase in altitude.