www.srmuniv.ac.in UG Model Question Paper : SRM University

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Model Question Paper
B.Tech, B.Des and UG programs in Health Sciences

Part 1 – Physics
1. A bus travels at 110 km/hr (kilometers per hour) on open highway. Its speed in
meteres per second is
a) 30.6m/s b) 60.2m/s c) 40m/s d) 50.4m/s
2. A spherometer has 20 threads per cm.Its circular scale has 100 divisions.The least
count of the sphere is
a) 5µm b) 50µm c) 0.5µm d) 0.05µm
3. Which one of the following physical quantities does not have unit?
a) luminous intensity b) momentum
c) current d) refractive index
4. The prefix atto means
a)10-21 b)10-15 c)10-18 d) 10-12
5. To enable a particle to describe circular motion the angle between its velocity and
acceleration is given by
a) 180 ° b) 90 ° c)45° d) 0°

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6. Torque per unit moment of inertia is equal to
a) angular velocity b) angular acceleration
c) radius of gyration d) inertia
7. If momentum is decreased by 20% kinetic energy will decrease by
a)40% b) 18% c) 36% d) 8%
8. Average density of the earth
a) does not depend on g b) is a complex function of g
c) is directly proportional to g d) is inversely proportional to g
9. A bomb blasts on moon. Its sound will be heard on earth after
a) 3,7min b) 10 min
c) 138min d) sound will never be heard
10. If a tensile force is suddenly removed from a wire then its temperature will
a) decrease b) increase
c) become 0 d) remains constant
11. The physical quantity conserved in simple harmonic motion is
a) time period b) total energy
c) displacement d) force
12. Two waves each of loudness L superimpose to produce beats.The maximum
loudness of beats will be
a) 4L b) L c) 2L d) 5L
13. If a projectile has a velocity greater than the escape velocity, which trajectory will it
follow?
a) elliptic b) hyperbolic
c) vertical straight d) parabolic
15. Two gases having same pressure P and volume V are mixed at a temperature T.If the
mixture is at a temperature T and occupies the same volume then pressure of the
mix would be
a) P b) 2P c) P/2 d) 3P
16. The specific heat capacity of body depends on
a) the heat given b) the temperature raised
c) man of the body d)the material of the body.
17. Two systems are in thermal equilibrium. The quantity which is common for them is
a) heat b) momentum c) specific heat d) temperature
18. When an unpolarized light of intensity I0 is incident on a polarizing sheet, the
intensity of light which does not get transmitted is
a) I0/2 b)I0/4 c) zero d) I0
19. A ray deviates at 90° after suffering reflection from a mirror.The angle of incidence
is
a) 90° b) 30° c) 60° d) 45°
20. To a fish under water, viewing obliquely a fisher-man standing on the bank of a lake,
does appear as
a) slightly shorter b) taller
c) with no change in height d) with half the original height.
21. Fraunhofer lines observed in the solar spectrum are due to
a) photosphere
b) Corona
c) ozone layer
d) layer of cooler gases between photosphore and chromosphere
22. A girl is standing 7m from a plane mirror. The distance of the girl from her image in
the mirror is
a) 3.5 m b) 7 m c) 10.5 m d) 14 m
23. A man with normal near point (25 cm) reads a book using a magnifying glass of focal
length 5 cm. The closest distance at which he can read the book when viewing
through the magnifying glass is
a) -4.2cm b) -3.6cm c) -1.6cm d) -2.5cm
24. A magnet of pole strength m and length l is broken into two pieces. The pole
strength of each piece is
a) m b)m/2 c) 2m d)m/4
25. The resultant flow of current in a conductor in the absence of electric field is
a) minimum b) zero
c) maximum d) has a negative value
26. Moderator is used to
a) accelerate the bombarding neutrons
b) slow down the bombarding neutrons
c) to eject more electrons
d) to arrest the nuclear reaction
27. The decay constant which is the reciprocal of the time duration for which the
number of the atoms of radioactive substance falls to
a) 17% of its original value b) 27% of its original value
c) 37% of its original value d) 47% of its original value
28. Electron behaves as wave because they can be
a) deflected by an electric field b) deflected by magnetic field
c) diffracted by a crystal d) they ionise a gas.
29. The speed of X-rays is the same as that of visible light. Hence its wavelength is
a) same as that of visible light b) larger than that of visible light
c) smaller than that of visible light d) equal to that of visible light
30. In a superconductor, critical magnetic field
a) increases if temperature decreases b) does not depend on temperature
c) increases if temperature increases d) remains constant
31. For a particle of mass m moving with kinetic energy E the debroglie wavelength is
a) h/2mE b) hv2mE c) h/v2mE d) hv2/mE
32. A band rejection filter with a sharp narrow response suitable for suppressing
heterodynes in the audio stages of a receiver is called
a) an envelope detector b) a discriminator
c) a radio detector d) an audio notch filter
33. The logical equation y=A.B represents
a) AND gate b) OR gate c) XOR gate d) NAND gate
34. In a ferroelectric material, as the applied field is gradually reduced to zero, the
polarization still left is known as
a) remanent polarization b) coercive polarization
c) zero polarization d) positive polarization.
35. 6.4 × 10–19 joule is approximately
a) 4 electron volt b) 6 electron volt c) 8 electron volt d) 1 electron

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Introuduction to unix 6th sem model qustion paper of 2012