Amrita University Test Papers

Hey buddy will you please help me here to get the Engineering entrance examination exam paper of Amrita University so that I can solve it easily?

Don’t worry buddy I will help you here to get the Engineering entrance examination exam paper of Amrita University so that you can have idea about the exam.

Here is the exam paper
Choose the correct combination of the planet and its average orbital speed(in km s -1 )
a) Earth (29.8); Saturn(9.65); Venus(35.0); Mars(24.2)
b) Earth (9.65); Saturn(29.8); Venus(35.0); Mars(24.2)
c) Earth (24.2); Saturn(9.65); Venus(35.0); Mars(29.8)
d) Earth (29.8); Saturn(9.65); Venus(24.2); Mars(35.0)

At a point 3200 km vertically above the surface of the earth, acceleration due to gravity of earth in SI units is
a) 6.66
b) 3.33
c) 5.55
d) 4.44

Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of photons. Their powers are in the ratio
a) 64:40
b) 1:1
c) 5:8
d) 25:64

The relation, Work Done = Change in internal energy holds for
a) isothermal process
b) adiabatic process
c) isobaric process
d) isochoric process

The rate of flow of volume of a fluid of viscosity along a horizontal pipe of radius r and length L due to pressure difference P is (V/t). If a pipe of radius 2r and length 2L is used and P is doubled the rate of flow will increase by a factor
a) 2
b) 4
c) 8
d) 16

If the charge Q in a capacitor is doubled, electric field energy stored inside
a) doubles
b) increases by factor 4
c) remains unchanged
d) increases by factor 8

Acceleration due to gravity = 10m/s2, Mass of electron = 9.1 x 10-31kg
Charge of electron = 1.6 x 10-19 C, Velocity of light, c = 3 x 108m/s
1 eV = 1.6 x 10-19 J
1. Which of the following has the dimensionality of farad?
a) A2s4kg-1m -2 b) A-2kg m2s3 c) kg m2 A-1s2 d) kg m3 A-2s2
2. Choose the correct combination of the planet and its average orbital speed(in km s -1 )
a) Earth (29.8); Saturn(9.65); Venus(35.0); Mars(24.2)
b) Earth (9.65); Saturn(29.8); Venus(35.0); Mars(24.2)
c) Earth (24.2); Saturn(9.65); Venus(35.0); Mars(29.8)
d) Earth (29.8); Saturn(9.65); Venus(24.2); Mars(35.0)
3. At a point 3200 km vertically above the surface of the earth, acceleration due to gravity
of earth in SI units is
a) 6.66 b) 3.33 c) 5.55 d) 4.44
4. Two laser beams one of wave length 640 nm and the other 400 nm have same unit flux of
photons. Their powers are in the ratio
a) 64:40 b) 1:1 c) 5:8 d) 25:64
5. The relation, Work Done = Change in internal energy holds for
a) isothermal process b) adiabatic process
c) isobaric process d) isochoric process
6. The rate of flow of volume of a fluid of viscosity  along a horizontal pipe of radius r and
length L due to pressure difference P is (V/t). If a pipe of radius 2r and length 2L is
used and P is doubled the rate of flow will increase by a factor
a) 2 b) 4 c) 8 d) 16
7. If the charge Q in a capacitor is doubled, electric field energy stored inside
a) doubles b) increases by factor 4
c) remains unchanged d) increases by factor 8
8. A capacitor with C =0.144 F having charge Q is made to discharge through a resistance
of 1.0 . What is the time taken for the discharge of 50% of the initial charge?
a) 10-7 s b) 0.144 x10-6 s c) 2.1 x 10-7s d) 0.144 x 10-7 s


9. A slab having dielectric constant  = 3 is placed in a region having constant electric field
E = 10 V m-1. The electric field inside the slab volume is
a) 1.1 V m-1 b) 30 V m-1 c) zero d) 3.33V m-1
10. A parallel plate capacitor is connected to a battery supplying constant voltage difference
such that it accumulates charge Q. While being connected, if the separation d between
the plates is increased
a) both electric field inside the capacitor and Q decrease
b) electric field inside the capacitor decreases and Q increases
c) electric field inside the capacitor increases and Q decreases
d) both electric field inside the capacitor and Q increase
11. The sides (in meters) of a box joining at origin are represented by vectors
a= 4i, b= 2i + 3j and c= i+k. The surface area of the box is
a) 20 m2 b) 26 m2 c) 36 m2 d) 40 m2
12. The slant side of a frictionless incline making an angle 60 with the vertical is 1 m.
Starting from rest the time taken by a mass to slide down the incline from top to the base
is
a) 0.63 s b) 0.23 s c) 0.2 s d) 0.4 s
13. A mass of 0.01 kg is hung from a series combination of two ideal light springs having
spring constants k1= 10 Nm-1 and k2 =20 Nm-1. The net stretching of this spring-mass
system is
a) 3 cm b) 1.5 cm c) 6 cm d) 2.5 cm
14. A mass m =1 kg located at point (3,4) in x-y plane at time t is subjected to a force of 2 N
in the y direction. All numbers are in SI units. The angular acceleration is
a) 0.24 radians s-2 along z direction b) 0.18 radians s-2 along z direction
c) 0.12 radians s-2 along x direction d) 0.32 radians s-2 along z direction
15. A circuit is operated by a battery of internal resistance 0.2  and emf 6 V. The current
flowing in the circuit is 0.3 A. The power supplied to the rest of the circuit other than the
internal resistance is
a) 1.8 W b) 1.74 W c) 1.42 W d) 1.62 W
16. A small magnet of magnetic moment m is placed inside a hollow sphere of radius R; the
net magnetic flux emerging out of the sphere is
a) proportional to m
b) proportional to the product R2 and magnitude of m
c) zero
d) a function of location and orientation of the magnet
17. What is the magnetic induction flux crossing unit area in xy plane if magnetic induction
vector is B = 2i + 4j + 6k ? All numbers are in SI units.
a) 2 b) 4 c) 6 d)
18. The direction of a ray of light from a plane wave is along unit vector n = i + j. The
corresponding wave front is
a) parallel to z axis b) parallel to n
c) perpendicular to z axis d) parallel to y-z plane
19. Electric potential in a region is given by 4x2+3. All numbers are in SI units. The Electric
field magnitude at a point (-5,1,2) is
a) 40 b) 20 c) 80 d) 10
20. When a glass prism of refracting angle 60o is immersed in a liquid, its angle of minimum
deviation is 30o. The critical angle of glass with respect to the liquid medium is
a) 45o b) 30o c) 60o d) 55o
21. Choose the group of incorrect statement formed from the following
(i) The ammeter used to measure current in a circuit is to be connected in series.
(ii) An ammeter should have very low resistance.
(iii) An ammeter should have very high resistance.
(iv) Connecting ammeter in series will not lead to any change in the current present
before.
a) (i) and (ii) b) (ii) and (iii) c) (iii) and (iv) d) (iv) and (i)
22. Let Ei, Ni,, Ii with i=1,2 denote respectively the emf, number of turns , and the current in
the primary and secondary coils of an ideal transformer. Then
a) E1/E2 = N1/N2 = I1/I2 b) E1/E2 = N2/N1 = I1/I2
c) E2/E1 = N1/N2 = I1/I2 d) E1/E2 = N1/N2 = I2/I1
23. Which of the following are unrelated?
a) Fermat’s principle and propagation of light
b) Huygen’s principle and speed of light
c) Law of gravitation and Kepler’s laws
d) Alpha decay and Coulomb force
24. A tiny electric dipole of dipole moment p k is placed at the origin. The electric fields at
two far away point (b,0,0) and (0,0,b) are
a) equal in magnitude
b) equal
c) equal in direction only
d) unequal in magnitude and opposite in direction
25. A compound telescope have two lenses A and B. Lens A is closer to object than lens B.
Which statement is correct?
a) Both A and B form real images.
b) Both A and B form virtual images.
c) A forms real image and B forms virtual image.
d) A forms virtual image and B forms real image.
26. Assume that the wave length of yellow light in crown glass of refractive index 1.5 is
600 nm. Its frequency is
a) 0.5 x1015 Hz b) 0.33 x1015 Hz c) 1.5 x1015 Hz d) 0.5 x1015 Hz
27. The energies of two photons are in the ratio 1:4. The corresponding ratio of their
momenta is
a) 1:2 b) 1:4 c) 2:1 d) 4:1
28. At a given kinetic energy which of the following has the highest speed?
a) neutrino b) electron c) muon d) photon
29. The time taken by light to travel over a length equal to the radius of nucleus 64Ni is of the
order of
a) 10-21 s b) 10-23 s c) 10-25 s d) 10-19 s
30. Water in a porcelain container is placed in a microwave oven to heat it. The temperature
of the water rises, but the container temperature does not rise much. This is because
a) porcelain is a bad conductor of heat.
b) water is a liquid and can set up convection currents but the container is solid non
conductor.
c) preferential absorption of microwaves of certain frequencies by water.
d) microwaves are more energetic than infrared waves.
36. 20 g of a solute whose density is 2.0 g/cc is dissolved in water and the solution is made
upto one litre. If the molecular weight of the solute is 100, what is the molality of the
solution?
a) 0.2020 b) 0.4040 c) 0.2000 d) 0.0200
37. The velocity of infra red radiation in vacuum compared to ultra violet is
a) twice b) half c) equal d) four times
38. Which one of the following statements is true?
a) An orbit and orbital mean the same thing.
b) An orbit and orbital contain the same number of electrons always.
c) The energies of the orbit and the orbital are the same.
d) The maximum number of electrons present in an orbit and an orbital will be different.
39. Which one of the following has electronic configuration in violation of Aufbau
principle?
a) calcium b) titanium c) chromium d) manganese
40. Which one of the following changes is spontaneous?
a) A matchstick on strike burns.
b) Camphor packed in a container without over space catches fire on its own.
c) Petrol kept in an open beaker reduces in quantity slowly.
d) Water in a beaker surrounded by ice and salt freezes.
41. For a substance A2B the first dissociation constant is 5x10–5 and the second dissociation
constant is 1x10–9 at 25oC. The value of the equilibrium constant for the following
reaction
A2B ↔ 2A+ + B2–
at the same temperature is
a) 5 x104 b) 2 x10–5 c) 4 x10–4 d) 5 x10–14
42. In ice-liquid water equilibrium, increase of pressure leads to
a) increase in melting point of ice b) decrease in melting point of ice
c) no change in melting point of ice d) disappearance of one phase
43. A silver rod dipped in a solution of silver nitrate of a particular concentration shows a
potential of 0.75 V vs standard hydrogen electrode. If the standard potential for silver is
0.8V, at what molar concentration of the solution the potential will become zero?
a)2.76 x 10–14 b) 2.76 x 1014 c) 7.6 x 10–28 d) 7.6 x 1028

For full information buddy please go through the

Address:-
Amrita University
Amritanagar Post, Ettimadai, Coimbatore, Tamil Nadu 641112

Phone:-
0422 268 5000

Attached Files Available for Download

Engineering entrance examination exam paper of Amrita University.pdf (709.7 KB, 40 views)

__________________
Answered By StudyChaCha Member