AIEEE Exam

The speed of sound wave in a gas, in which two
waves of wavelengths 1.0 m and 1.02 m produce 6
beats per second is -
(A) 350 m/s (B) 306 m/s
(C) 380 m/s (D) 410 m/

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AIEEE Other Question

Two ideal gases, each consisting of N
monatomic molecules, are in thermal equilibrium
with each other and equilibrium is maintained as
the temperature is increased. A molecule of the
first gas has mass m and a molecule of the
second has mass 4m. The ratio of the changes in
the internal energies ∆E4m/∆Em is -
(A) 1/4 (B) 1/2
(C) 1 (D) 4
Two wires are kept tight between the same pair
of supports. The tensions in the wires are in the
ratio 2 : 1. The radii are in the ratio 3 : 1 and the
densities are in the ratio 1 : 2. The ratio of their
fundamental frequencies are -
(A) 1/2 (B) 2/3
(C) 3/4 (D) 4/9