please provide privious years paper of jelet examination for lateral entry in enggineering(Btech)

Hello friend as you want the Previous years question paper of Jelet examination for lateral entry in engineering (Btech) so here I am providing you the same…

2. The temperature of an ideal gas is increased from 120 K to 480 K. If at 120 K, the root mean square speed of gas molecules is v,
then at 480 K it will be
(A) 4v (B) 2v (C)

3. Two mirrors at an angle º produce 5 images of a point. The number of images produced when is decreased to º – 30º is
(A) 9 (B) 10 (C) 11 (D) 12

4. The radius of the light circle observed by a fish at a depth of 12 meter is (refractive index of water = 4/3)
(A) 7 36 (B) 736
(C) 5 36 (D) 5 4
Ans : (B)

5. In Young’s double slit experiment, the fringe width is . If the entire arrangement is placed in a liquid of refractive index n, the
fringe width becomes :
(A) n(B) 1 

n (C) 1 −

n (D) n

Ans : (D)

6. A plano-convex lens (f = 20 cm) is silvered at plane surface. Now focal length will be :
(A) 20 cm (B) 40 cm (C) 30 cm (D) 10 cm
Ans : (D)

7. The light beams of intensities in the ratio of 9 : 1 are allowed to interfere. What will be the ratio of the intensities of maxima and
minima ?
(A) 3 : 1 (B) 4 : 1 (C) 25 : 9 (D) 81 : 1
Ans : (B)

8. If x1 be the size of the magnified image and x2 the size of the diminished image in Lens Displacement Method, then the size of the
object is :
(A) 2 1x x (B) x1x2 (C) x1
2x2 (D) x1x2
2
Ans : (A)

9. A point charge +q is placed at the centre of a cube of side L. The electric flux emerging from the cube is

10. In the figure below, the capacitance of each capacitor is 3 µF. The effective capacitance between A and B is :
A B
(A) F
4
3 (B) 3 µF (C) 6 µF (D) 5 µF
Ans : (D)

11. n identical droplets are charged to v volt each. If they coalesce to form a single drop, then its potential will be
(A) n2/3v (B) n1/3v (C) nv (D) v/n
Ans : (A)

12. The reading of the ammeter in the following figure will be
6Ω
4Ω
3Ω
2Ω
A
2V
(A) 0.8 A (B) 0.6 A (C) 0.4 A (D) 0.2 A
Ans : (C)

13. A wire of resistance R is elongated n-fold to make a new uniform wire. The resistance of new wire
(A) nR (B) n2R (C) 2nR (D) 2n2R
Ans : (B)

14. The ratio of magnetic field and magnetic moment at the centre of a current carrying circular loop is x. When both the current and
radius is doubled the ratio will be
(A) x / 8 (B) x / 4 (C) x / 2 (D) 2x
Ans : (A)

15. The current through a coil of self inductance L = 2mH is given by I = t2e–t at time t. How long it will take to make the e m.f. zero?
(A) 1 s (B) 2 s (C) 3 s (D) 4 s
Ans : (B)

16. The magnetic flux through a loop of resistance 10 Ωis given by = 5t2 – 4t + 1 Weber. How much current is induced in the loop
after 0.2 sec ?
(A) 0.4 A (B) 0.2 A (C) 0.04 A (D) 0.02 A
Ans : (B)

17. The decimal equivalent of the binary number (11010.101)2 is
(A) 9.625 (B) 25.265 (C) 26.625 (D) 26.265
Ans : (C)

18. In a common emitter configuration, a transistor has = 50 and input resistance 1 kΩ. If the peak value of a.c. input is 0.01 V then
the peak value of collector current is
(A) 0.01 µA (B) 0.25 µA (C) 100 µA (D) 500 µA
Ans : (D)

19. Half-life of a radioactive substance is 20 minute. The time between 20% and 80% decay will be :
(A) 20 min (B) 30 min (C) 40 min (D) 25 min
Ans : (C)

20. The energy released by the fission of one uranium atom is 200 MeV. The number of fissions per second required to produce
3.2 W of power is (Take 1 eV = 1.6 × 10–19 J)
(A) 107 (B) 1010 (C) 1015 (D) 1011
Ans : (D)
Hints : u = 200 MeV = 200 × 106 eV = 200 × 106 × 1.6 × 10–19 J
E = 3.2 J
No of fissions = 11
11 10
10 6 . 1 2
2 . 3 
−
21. A body is projected with a speed u m/s at an angle with the horizontal. The kinetic energy at the highest point is 3/4th of the
initial kinetic energy. The value of is :
(A) 30º (B) 45º (C) 60º (D) 120º
Ans : (A)

22. A ball is projected horizontally with a velocity of 5 m/s from the top of a building 19.6 m high. How long will the ball take of hit
the ground ?
(A) s 2 (B) 2 s (C) s 3 (D) 3 s
Ans : (B)

23. A stone falls freely from rest and the total distance covered by it in the last second of its motion equals the distance covered by
it in the first three seconds of its motion. The stone remains in the air for
(A) 6 s (B) 5 s (C) 7 s (D) 4 s
Ans : (B)

24. Two blocks of 2 kg and 1 kg are in contact on a frictionless table. If a force of 3 N is applied on 2 kg block, then the force of
contact between the two blocks will be :
2 kg 1 kg
3 N
(A) 0 N (B) 1 N (C) 2 N (D) 3 N
Ans : (B)

25. If momentum is increased by 20%, then kinetic energy increases by
(A) 48% (B) 44% (C) 40% (D) 36%
Ans : (B)

26. A boy of mass 40 kg is climbing a vertical pole at a constant speed. If the coefficient of friction between his palms and the pole
is 0.8 and g = 10 m/s2, the horizontal force that he is applying on the pole is
(A) 300 N (B) 400 N (C) 500 N (D) 600 N
Ans : (C)

27. The value of ‘’ for which the two vectors ˆ ˆ ˆ 5 a i j k  and ˆ ˆ ˆ 2 b i j k −

are perpendicular to each other is
(A) 2 (B) – 2 (C) 3 (D) – 3
Ans : (C)

28. If c b a and a + b = c, then the angle included between b a
and is
(A) 90º (B) 180º (C) 120º (D) Zero
Ans : (D)

29. The height vertically above the earth’s surface at which the acceleration due to gravity becomes 1% of its value at the surface
is (R is the radius of the Earth)
(A) 8 R (B) 9 R (C) 10 R (D) 20 R
Ans : (B)

30. The change in the gravitational potential energy when a body of mass m is raised to a height nR above the surface of the Earth
is (here R is the radius of the Earth)

Ans : (A)

For more papers here I am providing you link please click on it…
JELET Question Paper - 2014-2015 StudyChaCha