As you requires I am here giving you sample question paper for IIT JAM entrance exam for MSC Physics course.

Sample questions:
A proton from outer space is moving towards earth with velocity 0.99 as measured in earth’s
frame. A spaceship, traveling parallel to the proton, measures proton’s velocity to be 0.97 . The
approximate velocity of the spaceship, in the earth’s frame, is

A charge is at the center of two concentric spheres. The outward electric flux through the inner
sphere is while that through the outer sphere is 2 . The amount of charge contained in the region
between the two spheres is
(A) 2 (B) (C) (D) 2

Q.10 At room temperature, the speed of sound in air is 340 m/sec. An organ pipe with both ends open
has a length L= 29 cm. An extra hole is created at the position L/2. The lowest frequency of sound
produced is
(A) 293 Hz (B) 586 Hz (C) 1172 Hz (D) 2344 Hz

Q.11 A system comprises of three electrons. There are three single particle energy levels accessible to
each of these electrons. The number of possible configurations for this system is
(A) 1 (B) 3 (C) 6 (D) 7


Q.12 A rigid and thermally isolated tank is divided into two compartments of equal volume V, separated
by a thin membrane. One compartment contains one mole of an ideal gas A and the other
compartment contains one mole of a different ideal gas B. The two gases are in thermal
equilibrium at a temperature T. If the membrane ruptures, the two gases mix. Assume that the
gases are chemically inert. The change in the total entropy of the gases on mixing is
(A) 0 (B) ln 2
(C) ln 2 (D) 2 ln 2


Q.15 A rigid triangular molecule consists of three non-collinear atoms joined by rigid rods. The constant
pressure molar specific heat (Cp) of an ideal gas consisting of such molecules is
(A) 6
(B) 5
(C) 4
(D) 3

Q.16 A satellite moves around the earth in a circular orbit of radius R centered at the earth. A second
satellite moves in an elliptic orbit of major axis 8R, with the earth at one of the foci. If the former
takes 1 day to complete a revolution, the latter would take
(A) 21.6 days (B) 8 days (C) 3 hours (D) 1.1 hour
Q.18 Vibrations of diatomic molecules can be represented as those of harmonic oscillators. Two halogen
molecules X and Y have fundamental vibrational frequencies ν 16.7 10 Hz and
ν 26.8 10 Hz, respectively. The respective force constants are K 325 N/m and K 446 N/m. The atomic masses of F, Cl and Br are 19.0, 35.5 and 79.9 atomic mass unit
respectively. The halogen molecules X and Y are
(A) X = F and Y = Cl (B) X = Cl and Y = F

Q.20 Doppler effect can be used to measure the speed of blood through vessels. Sound of frequency
1.0522 MHz is sent through the vessels along the direction of blood flow. The reflected sound
generates a beat signal of frequency 100 Hz. The speed of sound in blood is 1545 m/sec. The speed
of blood through the vessel, in m/sec, is
(A) 14.68 (B) 1.468 (C) 0.1468 (D) 0.01468




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Attached Files

IIT JAM MSC Physics sample question paper.pdf (575.5 KB, 64 views)