1. The SI unit of pressure is   Newton   Watt   Pascal   Joule   Hint Half-n-half Clue   2. If a pressure of  8 Pa acts on 3 m2 of area, then the force acting on the surface is   2.67dynes   24dynes   24 N   2.67 N   Half-n-half Clue   3. With increase in altitude, the pressure of the atmosphere   may increase or decrease   increases   decreases   remains constant   Half-n-half Clue   4. To measure the atmospheric pressure, the space (labeled A) above the mercury level in a barometer tube is   essentially vacuum   filled with nitrogen   filled with water   filled with air   Half-n-half Clue   5. Pressure is defined as   force / area   mass / volume   force × distance   mass × acceleration   Half-n-half Clue   6. A _______ measures the pressure in terms of the difference in fluid levels between the vertical arms of a glass U-tube.   Sphygmomanometer   Hydrometer   Manometer   Barometer   Half-n-half Clue   7. _______ states that the product of the pressure and volume of a fixed mass of gas is constant provided the temperature is unchanged.   Avogadro's Law   Charles' Law   Boyle's Law   Dalton's Law   Half-n-half Clue