Physics question and answers for February 19, 2024
- Q Two glass bulbs of equal volume are connected by a narrow tube and filled with a gas at temperature 27 C and pressure 77 cm of Hg One of the...
- Q 7 If the temperature of 4kg mass of a material of specific heat capacity 300J kg C rises from 20 C to 30 C Find the
- Q 12 22 A closed system undergoes a change of state by process 1 2 for which Q12 10 J and W 2 5J The system is now returned to its...
- Q 1 g of water at 373 K is converted into steam at the same temperature at normal pressure The volume of 1 cm of water becomes 1671 cm on boiling...
- Q D 8 A black body initially at temperature T cools to temperature T 2 in time At in surrounding which is nea absolute zero It will cool further to a...
- Q Following are the observations made for a black at 3000 K Amount of energy emitted per second 553 O U U U Range of wavelength of radiation 490 nm to...
- Q 1 23 In the arrangement as shown in the figure th stepped steel bar ABC is loaded by a load P Th material has Young s modulus E 200 GPa...
- Q An ideal gas is taken through the cycle A B C A 2 V m 1 B A 10 P N m as shown in the figure If the net...
- Q A sample of ideal gas y 1 4 is heated at constant pressure If an amount of 100 J heat is supplied to the gas the work done by the...
- Q 42 A cyclic process ABCDA is shown in the p V diagram Which of the following curves represent the same process a c P B DC B C T b...
- Q In the P V diagram shown in figure ABC is a semicircle P atm 3 B T atm L 2 C A V L 1 2 The work done in...
- Q 1 During adiabatic process pressure P versus density p equation is 1 PpY constant 3 PYp 1 Y constant 2 PpY constant 4 p pY constant
- Q 28 19 g of water at 30 C and 5 g of ice at 20 C are mixed together in a calorimeter What is the final temperature of the mixture...
- Q A thermodynamic system undergoes cyclic process 3 PA Po Vo 2 3Po 2Po Po C mro N 11 11 AB Vo B D 2V0 ABCD as shown in figure The...
- Q A diatomic gas of molecular mass 30 g mol is filled in a rigid container at temperature 20 C Container is fixed with a moving trolley whose velocity is 60...
- Q Example 16 13 5 g of water at 30 C and 5 g of ice at 20 C are mixed together in a calorimeter Find the final temperature of mixture...
- Q Pressure versus tempeature graph of an ideal gas is as shown in figure Density of the gas at point A is Po Density at B will be PA 3 1...
- Q cyclic process 1 2 3 4 1 is depicted on V T diagram The p T diagram and p V diagrams for this cyclic process are given below Select the...
- Q The value of Cp Cy 1 00 R for a gas in state A and denote Cp Cv 1 06 R in another state If pA and PB PA the...
- Q Illustration 3 Two gases occupy two containers A and B The gas in A of volume 0 13 m3 exerts a pressure of 1 40 M Pa The gas in...
- Q A gas undergoes a change of state from A to B via two paths path 1 and path 2 as shown in figure Ratio of molar heat capacities in path...
- Q 233 P T curve of a cyclic process is shown If number o moles of the gas are n the work done by the gas in the given process is...
- Q 12 n moles of an ideal gas undergoes a process A to B as shown Maximum temperature of the gas during the process is 1 3PV nR A 3P Po...
- Q 6 The relation between internal energy U pressure P and volume V of a gas in an adiabatic process is U a bPV where a and b are constants What...
- Q 4 Two moles of an ideal TA mono atomic gas undergo a cyclic process as shown in the figure The temperatures in different states are given as 6T 3T 2T4...
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