Recent questions tagged chapter13

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A cylinder of fixed capacity 44.8 litres contains helium gas at standard temperature and pressure. What is the amount of heat needed to raise the temperature of the gas in the cylinder by 15.0 °C ? (R = 8.31 J `mol^(–1) K^(–1)`).Example

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

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Estimate the mean free path for a water molecule in water vapour at 373 K. Use information from Exercises 13.1 and Eq. (13.41) above.Example

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

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If x and y are directly proportional and when x = 13, y = 39, which of the following is not a possible pair of corresponding values of x and y

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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A car covers a distance in 40 minutes with an average speed of 60 km per hour. The average speed to cover the same distance in 30 minutes

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Which of the following is in direct

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Amrita takes 18 hours to travel 720 kilometres. Time taken by her to travel 360 kilometres is

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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If x and y are inversely proportional then _____ = k where k is positive

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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Side of a rhombus and its perimeter are in ______

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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When two quantities x and y are in inverse proportion, then `x/y` is a

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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If the cost of 10 pencils is Rs 90, then the cost of 19 pencils is Rs

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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If 5 persons can finish a job in 10 days then one person will finish it in 2

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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In a scout camp, there is food provision for 300 cadets for 42 days. If 50 more persons join the camp, for how many days will the provision

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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If two cardboard boxes occupy 500 cubic centimetres space, then how much space is required to keep 200 such

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Under the condition that the temperature remains constant, the volume of gas is inversely proportional to its pressure. If the volume of gas is 630 cubic centimetres at a pressure of 360 mm of mercury, then what will be the pressure of the gas if its volume is 720 cubic centimetres at the same

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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Both u and v vary directly with each other. When u is 10, v is 15, which of the following is not a possible pair of corresponding values of u and

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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Both x and y vary inversely with each other. When x is 10, y is 6, which of the following is not a possible pair of corresponding values of x and

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Assuming land to be uniformly fertile, the area of land and the yield on it

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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The number of teeth and the age of a person

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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A truck needs 54 litres of diesel for covering a distance of 297 km. The diesel required by the truck to cover a distance of 550 km

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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By travelling at a speed of 48 kilometres per hour, a car can finish a certain journey in 10 hours. To cover the same distance in 8 hours, the speed of the car should

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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