1 تناؤ کی تعریف ہے: A فی اکائی رقبہ قوت B فی اکائی لمبائی قوت C فی اکائی لمبائی لمبائی میں تبدیلی D فی اکائی حجم قوت
2 پاسکل کا قانون کہتا ہے کہ بند مائع پر لگایا گیا دباؤ منتقل ہوتا ہے: A صرف قوت کی سمت میں B صرف نیچے کی طرف C تمام سمتوں میں یکساں D صرف اوپر کی طرف
3 An aneroid barometer is used to measure: A Relative humidity B Atmospheric pressure C Wind speed D Temperature
5 As we go to higher altitude, atmospheric pressure: A Increases B Decreases C Remains the same D First increases then decreases
6 A block of iron has a mass of 200 g and a volume of 25 cm³. What is its density? A 8 g/cm³ B 4 g/cm³ C 0.125 g/cm³ D 2 g/cm³
7 As altitude increases, atmospheric pressure: A Increases B Decreases C Remains the same D Becomes zero
8 An object will float in a liquid if its density is: A Greater than the liquid's density B Less than the liquid's density C Equal to the liquid's density D Twice the liquid's density
9 What happens to the pressure at a point in a liquid as the depth increases? A It decreases B It remains the same C It increases D It becomes zero
10 The pressure at a point inside a liquid at rest acts: A Only downward B Only upward C Equally in all directions D Only horizontally
11 Pascal's law states that pressure applied to an enclosed liquid is transmitted equally in all directions. Which device works on Pascal's law? A Hydraulic press B Electric motor C Galvanometer D Telescope
13 The height of mercury column in a simple barometer at sea level is approximately: A 76 cm B 10.3 m C 1 cm D 100 cm
14 فضا کا دباؤ ماپنے کے لیے کون سا آلہ استعمال ہوتا ہے؟ A مینومیٹر B بیرومیٹر C تھرمامیٹر D ہائیڈرومیٹر
15 Pascal's law is used in: A Hydraulic press B Mercury barometer C Spring balance D Measuring cylinder
16 ہائیڈرولک پریس کس اصول پر کام کرتا ہے؟ A ہُک کا قانون B پاسکل کا قانون C ارشمیدس کا اصول D نیوٹن کا قانون
17 A mercury barometer measures: A Liquid pressure B Atmospheric pressure C Gauge pressure D Density of mercury
18 A body will float in a liquid if its density is: A greater than the density of the liquid B equal to or less than the density of the liquid C always greater than 1000 kg/m³ D zero
19 The pressure exerted by a liquid depends on: A depth and density of the liquid B shape of the container C volume of the liquid only D area of the container bottom only
20 A liquid is stored in a container. The pressure at a depth h in the liquid is given by P = hρg. If the depth is doubled, what happens to the pressure? A It becomes half B It doubles C It remains the same D It becomes four times
21 According to Hooke's law, the extension of a spring is directly proportional to the applied force as long as the elastic limit is not exceeded. A The extension is directly proportional to the applied force B The extension is inversely proportional to the applied force C The extension is directly proportional to the square of the applied force D The extension is independent of the applied force
22 Pascal's law states that pressure applied to an enclosed liquid is: A Transmitted equally in all directions B Transmitted only downward C Transmitted only upward D Not transmitted at all
23 The instrument used to measure atmospheric pressure is called: A Thermometer B Barometer C Manometer D Hydrometer
24 Which instrument is used to measure altitude in an aircraft? A Barometer B Altimeter C Manometer D Thermometer
25 The pressure exerted by a liquid column depends on: A Depth, density and acceleration due to gravity B Depth and area of the container C Shape of the container and volume of liquid D Mass of the liquid and area of the container