Post Code:: 700
Series: B
1. Kirchhoff’s laws are based on the conservation of
- Energy and charge
- Charge and energy
- Mass and charge
- None of these
2. Two heater wires of equal lengths are first connected in series and then in parallel. The ratio of heat produced in two cases is:
- 2:1
- 1:2
- 4:1
- 1:4
3. A kilowatt-hour is a unit of
- Energy
- Electric current
- Electric charge
- Power
4. Susceptibility is positive for
- Paramagnetic substances
- Ferromagnetic substances
- Non-magnetic substances
- Diamagnetic substances
5. For formation of permanent magnets, the material should have
- High coercivity
- Low coercivity
- Low retentivity
- Both a and b
6. Tesla is a unit of magnetic
- Field
- Flux
- Induction
- Moment
7. A dynamo works on the principle of
- Electromagnetic induction
- Induced current
- Induced magnetism
- Faraday’s effect
8. Thermopile is used for
- Measuring the e.m.f.
- Measuring the current
- Converting heat energy into electrical energy
- Measuring and detecting the heat radiation
9. Which of the following does not support the wave nature of light?
- Interference
- Diffraction
- Polarization
- Photoelectric effect
10. Which of the following is conserved, when light waves interfere?
- Intensity
- Energy
- Amplitude
- Momentum
11. Two lenses having powers + 6 D and -4 D are placed in contact. The power of the combination is
- -2 D
- -4 D
- +4D
- +2 D
12. The type of bonds in a silicon crystal is
- Ionic
- Metallic
- Covalent
- Vander Walls
13. If A and B are any two sets, then A-B is equal to
- B-A
- AᴗB
- AᴖB
- AᴖB’
Ans: C
15. Maximum value of sin x + cos x is
- 1
- 2
- √2
- 1/√2
16. The amplitude of O is
- 0
- π
- π/2
- Not defined
17. If a,b,c are real number such that a >b, c > 0, then
- Ac < bc
- Ac > bc
- Ac > bc
- None of these
18. Number of diagonals of a convex hexagon is
- 3
- 6
- 9
- 12
19. The number of dissimilar terms in the expansion of (x +y+ z)6 is
- 7
- 42
- 28
- 21
20. The 8th term of the sequence
1,1,2,4,7,13 …………. Is
- 44
- 54
- 64
- 24
21. Slope of line which cuts off intercepts of equal lengths on the axes is
- -1
- 2
-
√3
- None of these
22. The number of common tangents to the circles x2 + y2 -4x -6y – 12 =0 and x2 +y2+6x + 18y +26 = 0, is
- 1
- 2
- 3
- 4
23. The length of foot of perpendicular drawn from the point P(3,4,5) on y axis is
- √41
-
√34
- 5
- None of these
24. If y = , then at x = 0 is
- -2
- 0
- 1/2
- Does not exist
25. The standard deviation of the data 6,5,9,13,12,8,10 is
- 6
- √6
- 52/7
- √52/7
26. In a non-leap year, the probability of having 53 Tuesday or 53 Wednesday is
- 1/7
- 2/7
- 3/7
- None of these
27. If A = {2,5}, then the total number of relations defined from A to B is
- 23
- 22
- 24
- None of these
28. The value of sin-1x + cos-1x is
- π/2
- π
- -π/2
- None of the above
29. A matrix 2 x 3 has how many elements?
- 5
- 6
- 7
- None of these
30.
- 0
- 1
- ½
- -1/2
31. The second derivative of emx is
- memx
- emx
- m2 emx
- emx/m
32. the slope of the tangent to the curve y=x3-x at x=2 is
- 0
- 1
- 11
- None of thee
33.
- π/6
- π/12
- π/24
- π/4
34. The area of the circle x2+y 2 = 16 is
- 16π
- 64π
- 24π
- None of these
35. The differential equation of all parabolas whose axes are parallel to axis of y satisfies.
- D2y/dx2 =0
- D3 y/dx3 = 0
- D3 x/dy3 = 0
- None of these
36. The vectors a and b are perpendicular if and only if a. b is equal to
- -1
- 1
- 0
- None of these
37. The angle between the lines 2x = 3y = -z and 6x = -y = -4z is
- 60°
- 45°
- 90°
- 30°
38. A die is thrown once, then the probability of a getting a number greater than 3 is
- ½
- 2/3
- 6
- 9
39. The mean and variance of a binomial distribution are 4 and 2 respectively. Then the probability of 2 successes is
- 37/256
- 219/256
- 128/256
- 28/256
40. The number of arbitrary constants in the particular solution of a differential equation of third order is
- 3
- 2
- 1
- 0
41. ∫ax dx equals
- ax +c
- ax /log a + c
- ax log a+c
- log a /ax +c
42. Area lying between the curves y2 = 4x and y = 2 is
- 2/3
- 1/3
- ¼
- ¾
43. If the concentration of glucose (C6 H12 O6) in the blood is 0.9 g/-1, what will be the molarity of glucose in the blood ?
- 5 m
- 50 m
- 0.005 m
- 0.5 m
44. Number of significant figures in 0.050 is
- 1
- 2
- 3
- 4
45. The number of spherical nodes for 4d orbital is
- Zero
- One
- Two
- Three
46. Which of the following elements has the highest first ionization energy?
- Rb
- Na
- K
- Sc
47. In which of the following all the bonds are not equal?
- Xe F4
- BF4
- C2 H4
- SiF4
48. Gases deviate from ideal behavior because of molecules.
- Are colorless
- Are spherical
- Attract each other
- Have high speeds
49. In a face-centered cubic lattice, a unit cell is equally shared by how many faces?
- 2
- 4
- 6
- 8
50. When a liquid boils there is an increase in
- Entropy
- Heat of vaporization
- Free energy
- None of these
51. Which of the following salts will give the highest pH in the water?
- CuSO4
- KCl
- NaCl
- Na2 CO3
52. In which of the following compounds, an element exhibits two different oxidation states?
- NH2 OH
- NH4 NO3
- N2 H4
- N3 H
53. The oxidation state of oxygen in H2O2 is
- -1
- +1
- -2
- +2
54. Which of the following is the strongest base?
- LiOH
- NaOH
- KOH
- CsOH
55. The most commonly used reducing agent is
- AlCl3
- PbCl2
- SnCl4
- SnCl2
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Q. 44 Number of significant figures in 0.050
OF TGT NON MEDICAL 2019 PAPER
The right answer is B: (2)