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দুটি এক-পরমাণুক আদর্শ গ্যাস পরস্পরের সাথে তাপীয় সাম্যাবস্থায় আছে। A গ্যাস m ভরের অণু দ্বারা গঠিত, এবং B গ্যাস 4m ভরের অণু দ্বারা গঠিত। A গ্যাসের আয়তন ৪ গ্যাসের আয়তনের দ্বিগুণ। এদের চাপের অনুপাত PA / PB কত? (Two monoatomic ideal gases are in thermal equilibrium with each other. Gas A is composed of molecules with mass m while gas B is composed of molecules with mass 4m. The volume of gas A is twice that of gas B. What it the ratio of their pressures PA / PB ?)
A 1/4
B 1/2
C 1
D 2
According to Avogadro's law, for a given pressure and temperature, each molecule of a gas
A Occupies same volume
B Occupies volume proportional to its specific weight
C Occupies volume inversely proportional to its molecular weight
D Occupies volume inversely proportional to its specific weight
The mass of one Avogadro number of helium atom is
A 1.00 gram
B 4.00 gram
C 8.00 gram
D 4 x 6.02 x 1023 gram
What is the number of atoms in 46 g of sodium-23 (N = Avogadro constant)?
A N\/2
B N
C 2N
D 23 N
The value of Avogadro Number is
A 6.023 × 1022
B 6.023 × 1023
C 6.023 × 1024
D 6.023 × 1025
According to Avogadro's Hypothesis
A The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature
B The sum of partial pressure of mixture of two gases is sum of the two
C Product of the gas constant and the molecular weight of an ideal gas is constant
D Gases have two values of specific heat
According to Avogadro’s law
A The product of the gas constant and the molecular mass of an ideal gas is constant
B The sum of partial pressure of the mixture of two gases is sum of the two
C Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
D All of the above
According to Avogadro's law
A The product of the gas constant and the molecular mass of an ideal gas is constant
B The sum of partial pressure of the mixture of two gases is sum of the two
C Equal volumes of all gases, at the same temperature and pressure, contain equal number of molecules
D All of the above
The density of a gas 'X' is twice that of another gas 'Y'. If the molecular weight of gas 'Y' is 'M'; then the molecular weight of the gas 'X' will be
A 2M
B $$\frac{{\text{M}}}{2}$$
C M
D $$\frac{{\text{M}}}{4}$$
Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules
A Do not lose energy on collision
B Are above the inversion temperature
C Do not exert attractive force on each other
D Do work equal to loss in kinetic energy

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