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asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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If the rate of flow of liquid through a horizontal pipe of length l and radius R is Q. What is rate of flow of liquid if length and radius of tube is

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Water is coming out of a hole made in the wall of tank filled with fresh water. If the size of the hole is increased, will the velocity of efflux

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The accumulation of snow on an aero plane wing may reduce the lift.

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Two pipes P and Q having diameters `2 × 10^(-2_ m and 4 × 10^(-2) m` respectively are joined in Series with the main supply line of water. What is the velocity of water flowing in pipe

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A horizontal pipe of diameter 20 cm has a constriction of diameter 4 cm. The velocity of water in the pipe is 2m/s and pressure is `10 N`/`m^2`. Calculate the velocity and pressure at the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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The reading of a pressure metre attached to a closed is `2.5 × 10^5 N`/`m^2`. On opening the valve of pipe, the reading of the pressure metre reduces to `2.0 × 10^5 N`/`m^2`. Calculate the speed of water flowing through the

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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A large bottle is fitted with a siphon made of capillary glass tubing. Compare the Co-efficient of viscosity of water and petrol if the time taken to empty the bottle in the two cases is in the ratio 2:5. Given specific gravity of petrol =

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Under a pressure head, the rate of flow of liquid through a pipe is Q. If the length of pipe is doubled and diameter of pipe is halved, what is the new rate of

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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In a horizontal pipeline of uniform area of cross – section, the pressure falls by `5 N`/`m^2` between two points separated by a distance of 1 Km. What is the change in kinetic energy per Kg of oil flowing at these points? Given Density of oil = 800

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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1) Water flows steadily along a horizontal pipe at a rate of `8 × 10^(-3)m^3`/s. If the area of cross – section of the pipe is `40 × 10^(-4) m^2`, Calculate the flow velocity of water.2) Find the total pressure in the pipe if the static pressure in the horizontal pipe is `3 × 10^4 Pa`. Density of water is `1000 Kg`/`m^3`.3. What is the net flow velocity if the total pressure is `3.6 × 10^4

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Why is mercury used in making

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How would a thermometer be different if glass expanded more with increasing temperature than

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Show the variation of specific heat at constant pressure with

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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Two thermometers are constructed in the same way except that one has a spherical bulb and the other an elongated cylindrical bulb. Which one will response quickly to temperature

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A thermometer has wrong calibration. It reads the melting point of ice as –` 10^oC`. It reads `60^oC` in place of `50^oC`. What is the temperature of boiling point of water on the

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Write the advantages and disadvantages of platinum resistance

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If the volume of block of metal changes by 0.12% when it is heated through `20^oC`. What is the co-efficient of linear expansion of the

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The density of a solid at `0^oC and `500^oC` is in the ratio 1.027 : 1. Find the coefficient of linear expansion of the

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If one Mole of a monatomic gas is mixed with 3 moles of a diatomic gas. What is the molecular specific heat of the mixture at constant

asked Mar 19, 2022 in 11th Physics by varun (6.7k points)

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