SpletA mercury barometer reads 745 mm on the roof of a building and 766 mm on the ground. Assuming a constant value of 1.29 kg/m3 for the density of air, determine the height of the building. The height of mercury in a faulty barometer is 75cm and tube above mercury having air is 10 cm long. Splet19. jan. 2024 · Jan 18, 2024 11 Dislike Share Save Doubtnut 2.22M subscribers A mercury barometer reads `75cm` in vertical position . If the tube is inclined by `60^ (@)` to the vertical, the length of the...
What will be the length of Hg column in a barometer tube, when …
Splet23. If the column of mercury in a barometer stands at 72.6 cm, what is the atmospheric pressure? (The density of mercury is 13.6 × 103 kg/m3 and g = 9.80 m/s2) a. 0.968 × 105 N/m2 b. 1.03 × 105 N/m2 c. 0.925 × 105 N/m2 d. 1.07 × 105 N/m2 24. A solid rock, suspended in air by a spring scale, has a measured mass of 9.00 kg. When the Splet02. avg. 2015 · For a given fluid and height, the term ρgh is constant. Or Pressure when mercury is used in barometer = pressure when mercury is replaced by water Calculation: Given: h Hg = 2 cm Now, (ρgh)Hg = (ρgh)Water 13600 × 9.81 × 2 = 1000 × 9.81 × h water (ρ Hg = 13600 kg/m 3 and ρ Water = 1000 kg/m 3 ) hWater = 27.2 cm Download Solution PDF chewy cbd for cats
Toppr Ask Question
SpletMercury stands to a height of 75 cm in the tube. When a small amount of oxygen is introduced in the space above the mercury level, the level falls by 5 cm. Calculate the mass of the oxygen introduced. Room temperature = 27°C, g=10 ms? and density of mercury = 13600 kg m- Solution Verified by Toppr Was this answer helpful? 0 0 Get the Free Answr … Splet21. jan. 2024 · The height in the barometer, h = 72.6 cm or 0.726 m, The density of mercury, d = 13.6 × 10³ kg/m³, The gravitational acceleration, g = 9.80 m/s², Calculate the atmospheric pressure by the following formula, P = dgh Here, P is the atmospheric pressure Substitute the values, P = 13.6 × 10³ × 9.80 × 0.726 P = 9.68 × 10⁴ Pa, Splet12. apr. 2024 · Given rhat a barometer tube reads 76 cm of mercury, when the tube is gradually inclined at an angle of 60° with vertical, keeping the open end immersed in the mercury reservoir, the angle of incineration with the horizontal will be 30∘ and vertical will remain same as 76cm as vertical height of mercury column represents the atmospheric … good wrist watch brands