Question Answers

A plank with a small block on top of it is under going vertical SHM. Its period is 2 sec. The minimum amplitude at which the block will separate from plank is : A plank with a small block on top of it is under going vertical SHM. Its period is 2 sec. The minimum [...]

A graph of the square of the velocity against the square of the acceleration of a given simple harmonic motion is A graph of the square of the velocity against the square of the acceleration of a given simple harmonic motion is October 28, 2020 Category: Cengage JEE Mains Physics by B.M Sharma , Chapter [...]

Twenty-two grams of CO2 at 27 C is mixed with 16 g of O2 at 37 C. The temperature of mixture is about Twenty-two grams of CO2 at 27 C is mixed with 16 g of O2 at 37 C. The temperature of mixture is about October 28, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The value of Cp-Cv = 1.00 R for a gas in state A and Cp-Cv = 1.06 R in another state. If PA and PB denote the pressure and TA and TB denote the temperatures in the two states, then The value of Cp-Cv = 1.00 R for a gas in state A and Cp-Cv [...]

The specific heat at constant volume for the monatomic argon is 0.075 kcal/kg-K, whereas its gram molecular specific heat is Cv = 29.8 cal/mol/K. The mass of the argon atom is The specific heat at constant volume for the monatomic argon is 0.075 kcal/kg-K whereas its gram molecular specific heat is Cv = 29.8 cal/mol/K. [...]

A monatomic gas expands at constant pressure on heating. The percentage of heat supplied that increases the internal energy of the gas and that is involved in the expansion is A monatomic gas expands at constant pressure on heating. The percentage of heat supplied that increases the internal energy of the gas and that is [...]

A particle performs SHM with a period T and amplitude a. The mean velocity of the particle over the time interval during which it travels a distance a/2 from the extreme position is A particle performs SHM with a period T and amplitude a. The mean velocity of the particle over the time interval during [...]

The temperature of 5 mol of a gas which was held at constant volume was changed from 100 C to 120 C. The change in internal energy was found to be 80 J. The total heat capacity The temperature of 5 mol of a gas which was held at constant volume was changed from 100 [...]

A small mass executes linear SHM about O with amplitude a and period T. Its displacement from O at time T/8 after passing through O is A small mass executes linear SHM about O with amplitude a and period T. Its displacement from O at time T/8 after passing through O is October 28, 2020 [...]

Forty calories of heat is needed to raise the temperature of 1 mol of an ideal monatomic gas from 20 C to 30 C at a constant pressure. The amount of heat required to raise its temperature Forty calories of heat is needed to raise the temperature of 1 mol of an ideal monatomic gas [...]