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The mercury in a barometer stands at 75cm

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 https://newdirectionsce.com

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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

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The mercury in a barometer stands at 75cm

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Splet27. jan. 2024 · The mercury in a barometer stands at 75 cm by 4 the side of a fresh water lake. An air bubble at the bottom of the lake when rises to the surface, its on with mass m … Splet02. apr. 2024 · The height of a mercury barometer is 75cm at sea level and 50cm at the top of a hill. Ratio of density of mercury to that of air is 104. The hill is:A) 1.25KmB) 2.5KmC) …

The mercury in a barometer stands at 75cm

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Splet24. mar. 2024 · We know that a barometer is a device that is used to measure localized atmospheric pressure. It works on a pretty simple principle wherein, an inverted glass tube stands in a bath of mercury, and air pressure pushes down on the surface of the mercury making some of the mercury rise up the tube. The mercury rises higher for greater … SpletThe height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ratio of density of mercury to that of air is 104. The height of the hill isA. 750 mB. 250 mC. 2.5 …

SpletIf a column of mercury in a barometer stands at 72.6 cm. what is the atmospheric pressure? ( The density of mercury is 13.6 x 103 kg/m' and g=9.8 m/s) A. 0.967 x 10' N/m B. 1.03 x 10' N/m C. 0.925 x 10' N/m D. 1.073 x 10' N/m 11. A solid rock, suspended in air by a spring scale, has a measured mass of 9.0 kg. When the rock is submerged in water ... Splet02. apr. 2024 · The height of a mercury barometer is 75cm at sea level and 50cm at the top of a hill. Ratio of density of mercury to that of air is 104. The hill is:A) 1.25KmB) 2.5KmC) 250mD) 750m Questions & Answers JEE-MAIN Physics Grade 11 Pressure Answer The height of a mercury barometer is 75cm at sea level and 50cm at the top of a hill.

Splet949 views 2 years ago A barometer reads 75cm if mercury. When `2.0cm^ (3)` of air at atmospheric pressure is introduced into space above the mercury level, the volume of … Splet20. nov. 2024 · Thepressure in a barometeris: P = ρ g y They indicate the initial heightof the barometery₀=75 cm, the distance from empty spacey'₀ = 9 cm and the final height of the barometery₁ = 59 cm. The volumeof thecylinderis V = π r² y Let's calculate theinitial volume. V₀ = π 1 9 V₀ = 28.27 cm³ We substitute in equation 1.

SpletA mercury barometer reads `75cm` in vertical position . If the tube is inclined by `60^(@)` to the vertical, the length of the mercury in the tube will be

SpletWhen making a simple Torricelli barometer, the tube is initially fully filled with the substance (e.g. Mercury). It is then capped off and inverted into a basin containing the same fluid and the cap is taken off. This method actually causes a vacuum to be formed once the barometer's fluid height changes when the atmospheric pressure is sensed. chewy c/d cat foodSpletThe mercury in a barometer of a cross sectional area 1cm² stands at 75cm, and the space above it is 9cm in length. What volume of air, measured at atmospheric pressure, would … chewy cd cat foodSplet25. jun. 2024 · The mercury in a barometer stands at 75 cm by the side of a fresh water lake. An air bubble at the bottom of the lake when rises to the surface, its volume … chewy c/d stressSpletThe mercury in a barometer stands at 75 cm by the side of a fresh water lake. An air bubble at the bottom of the lake when rises to the surface, its volume becomes three times its volume at the 40 bottom. If specific gravity of the mercury is 5, then depth of the lake is … good writers borrow great writers steal quoteSplet02. nov. 2024 · Answer: Height of the Mercury Column in a Barometer = 75 cm. For Finding the Pressure in S.I. System, Changing 75 cm into meter. ∴ Height of the Mercury column (h) = 75 cm. = 0.75 m. Acceleration due to gravity (g) = 9.8m/s2 Density of the Water =103kg/m3. =1000kg/m3 Specific Gravity of the Mercury = 13.6 chewy cbd oil for dogsSpletThe height of mercury column in a barometer in a Calcutta laboratory was recorded to be 75 cm. Calculate this pressure in SI and CGS units the following data... good writers are good readersSplet30. mar. 2024 · One millimeter of mercury is commonly referred to as one torr, after Evangelista Torricelli who invented this barometer. One atmosphere is equal to 29.9 inches (760 mm) of mercury, or 760 mm H; atmospheres are the units of pressure used in the international standard, or SI, system of measurement. chewy ceo compensation