Tag: pressure in liquids and gases
Questions Related to pressure in liquids and gases
State whether true or false:
A simple barometer is compact and portable.
State whether true or false:
The air pressure can support $13.10 m$ vertical column of mercury.
Water barometer is possible provided barometer tube is _____$m$ long.
Water is not used as a barometric liquid because
The weight of the column of the mercury in the tube above the surface of the mercury in the cup is balanced by
Which of the following scientists invented the mercury barometer?
A barometer kept in a stationary elevator reads $76$ cm. If the elevator starts accelerating up the reading will be:
A nurse measures the blood pressure of a seated patient to be $190$ mm of Hg.
Match the following.
List-I(Measuring Instruments) | List-II(Which measure) |
---|---|
A. Anemometer | $1$. Motor Power |
B. Tachometer | $2$. Wind speed |
C. Dynamometer | $3$. Revolutions per minute |
D. Barometer | $4$. Atmospheric pressure |
$5$. Current from a dynamo |
A barometer kept in a stationary elevator reads 76 cm. If the elevator starts accelerating up, the reading in barometer will be: