SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

The gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Considering only translational and rotational modes, the total internal energy of the system is :

(a)

12 RT

(b)

20 RT

(c)

15 RT

(d)

4 RT


Question ID - 50301 :-

The gas mixture consists of 3 moles of oxygen and 5 moles of argon at temperature T. Considering only translational and rotational modes, the total internal energy of the system is :

(a)

12 RT

(b)

20 RT

(c)

15 RT

(d)

4 RT

1 Answer
5876 Votes
3537

Answer Key : (c) -

U=

=(3RT)+×5RT

U=15RT



Next Question :

In a young’s double slit experiment, the path different, at a certain point on the screen, between two interfering waves is  of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

(a)

0.94

(b)

0.74

(c)

0.85

(d)

0.80


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