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The air tight and smooth piston of a cylindrical vessel are connected with a string as shown. Initially pressure and temperature of the gas are P0 and T0. The atmospheric pressure is also P0. At a later time, tension in the string is 3/8 P0 A where A is the cross-sectional are of the cylinder. [...]

The given plot shows the variation of U, the potential energy of interaction between two particles, with the distance separating them, r. 1. B and D are equilibrium points. r. 1. B and D are equilibrium points. The given plot shows the variation of U the potential energy of interaction between two particles with the [...]

A block of mass m is being pulled up a rough incline by an agent delivering constant power P. The coefficient of friction between the block and the incline is mu. The maximum speed of the block during A block of mass m is being pulled up a rough incline by an agent delivering constant [...]

Ramkali saved Rs 5 in the first week of a year and then increased her weekly saving by Rs 1.75. If in the nth week, her week, her weekly savings become Rs 20.75, find n. find n. her week her weekly savings become Rs 20.75 Ramkali saved Rs 5 in the first week of a [...]

A closed hollow insulated cylinder is filled with gas at 0∘C and also contains an insulated piston of negligible weight and negligible thickness at the middle point. The gas on one side of the piston is heated to 100∘C. If the piston moves 5 cm the length of the hollow cylinder is The rms speed [...]

Two identical blocks A and B are placed on two inclined planes as shown in Fig. 8.241. Neglect resistance and other friction. Read the following statements and choose options Two identical blocks A and B are placed on two inclined planes as shown in Fig. 8.241. Neglect resistance and other friction. Read the following statements [...]

The sum of 4th and 8th terms of an A.P. is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of the A.P. The sum of 4th and 8th terms of an A.P. is 24 and the sum of the 6th and 10th terms is 44. Find [...]

Subba Rao started work in 1995 at an annual salary of Rs 5000 and received an increment of Rs 200 each year. In which year did his income reach Rs 7000? Subba Rao started work in 1995 at an annual salary of Rs 5000 and received an increment of Rs 200 each year. In which [...]

The initial temperature of a gas is 100∘C. The gas is contained in closed vessel. If the pressure on the gas is increased by 5% calculate the increase in temperature of the gas The initial temperature of a gas is 100∘C. The gas is contained in closed vessel. If the pressure on the gas is [...]

Find the 20th term from the last term of the A.P. 3, 8, 13, …, 253. ... 13 253. 8 Find the 20th term from the last term of the A.P. 3 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 ,