Here is detail about Past Papers of GDP ( Pilot) and most important and highly practice test questions to obtain highest marks.
1. Light year is the unit of __.
Distance
2. Cloud____ Is the example of which process.
Condensation
3. Unit of angular momentum is ___?.
kg-m2/sec
4. In N type minority charge carriers are called __.
Holes
5. Photoelectric effect was discovered by ___ in 1887.
Heinrich Rudolf Hertz
6. Formula of Electric Flux is ___?.
Electric Flux = E.S = ES Cos θ
7. A thermodynamic process in which there is no heat transfer from in or out of the system is called ____.
Adiabatic Process
8. A thermodynamic process in which the temperature of a system remains constant. Is called ____.
Isothermal process
9. An electrical component that converts alternating current (AC) to direct current (DC) is called ___.
Rectifier
10. Which ones have same units in (Work, Power, Energy, velocity, acceleration, Distance, Frequency)
Work, Power, Energy,
11. The value of the Rydberg constant R∞ = __?
10,973,731.56816 per metre
12. Unit Of Angular Momentum ___?
KG M²/s
13. Unit ii.jj.kk = __?
Zero
14. Light year is the unit of___?
Distance
15. N-type minorities caries __?
Holes
16. Transformer work on the principle of__?
Mutual Abduction
17. Impulse the product of__?
Force and Time
18. Electric Field lines ___
cross each other. Never
19. Strain is dimensionless and has no __?
Unit
20. Cloud formation proses is called ___?
Condensation
21. X=A+B is ___?
OR GATE
22. Sound waves are?
Longitudinal Waves
23. 1 Radian ?
57.3
24. Voltmeter only work when connect __?
Parallel
25. Pull of earth on 20kg mass body is____?
9.81 ms¯ ¹
26. Force in a closed loop on gravitational field ___?
Zero
27. Dimensions of angular momentum __?
M¹L²2T ˉ ¹
28. Geo stationary satellite covers the angle of how many degree__?
120°
29. The distance covered by the body at specific instance of time is called __?
Instantaneous velocity
30. The vertical component of projectile at the point of ejection is called ___?
Projectile Motion
31. The range of projectile depends upon ___?
Initial Velocity
32. The equation of continuity is ___?
A1v1=A2V2, or ρ1 =ρ2
33. Electromagnetic Waves are of the type __?
Transverse Waves
34. The waves in the organ pipe are of the type____?
Longitudinal Stationary Waves
35. The torque of a body is 2000 Nm and angular momentum is 2 find it’s moment of inertia.
1000 Kgm²
36. Max plank proposed the theory of___?
Quantum Theory
37. In photo electro effect electron losses it’s energy and it’s wavelength changes__?
Decreases
38. In inelastic collision both momentum and energy is conserved but not in___?
Elastic Collision
39. Optical fiber has core, __ and Sheath?
Cladding
40. How many types of optical fiber are__?
Three
41. The Kinetic energy of a body is related with temperature in which way?
Directly
42. The efficiency of diesel engine is ?
35-40%
43. The study of charges at rest is called__?
Electrostatic
44. Mathematical form of Ampere law___?
∮B ⋅dl =μ0I
45. Power is inverse of___?
Focal Length
46. Light year is unit of___?
Distance
47. Dimension of P= W/t
M L2 T-3
48. Limiting friction unit___?
No Unit
49. Force of gravity under sea_____?
Increases
50. Sky is blue because_____?
scattering of light
51. PN junction is not used as___?
Amplifier
52. Force in term 0f charge is given by__?
F=Qe
53. Flux through any closed surface is____?
1/Absalom not
54. Reversible of Fusion reaction is___?
Fission
55. Unit of work____?
Joule
56. The sensation of a frequency is commonly referred to as the ___.
Pitch Of Sound
57. The current induced in a circuit due to a change in a magnetic field is directed to oppose the change in flux and to exert a mechanical force which opposes the motion is called ___-.
Lenz’s law
58. Graph under distance time represents_____?
Speed of an Object
59. The distance covered by an object in unit time is called ___.
Velocity
60. What will be the FORCE if distance between masses of charges becomes double?
4 Times Force
61. Work done in closed path is____?
Zero
62. Main difference among conductor , semiconductor, insulator is____?
No of Mobile Electrons
63. Aplha particles are___?
Electrons
64. Critical Velocity?
11.2 km per sec
65. Weight of Aeroplane when it takes off ?
Maximum
66. Value of g is independent of ?
Altitude , debth , latitude or , longitude
67. Energy stored in a capacitor is called?
Electrostatic Potential Energy
68. when resistors are connected in parallel current remain same or divides?
Same
69. Chromatic aberration is due to?
The Dispersion of Light
70. A measure of the size of an image compared to the size of the object is called ___.?
Magnification
71. When sun sets the sky is still lighten with light. Why?
Due to full of Gas molecules
72. Speed of Sound is?
761 mph, or 1100 feet/second
73. Unit of Angular Momentum is __?
kilogram metres squared per second (kg-m2/sec)
74. Electron Volt is the unit of ___?
Energy
75. How to present Alpha particles?
Alpha Radiations
76. What will be combination of transistors if base is positive?
NPN & PNP
77. When velocity becomes maximum during projectile motion, angles becomes?
45 Degree
78. Scalar quantities are ___?
Temperature, Mass, Energy, Distance, Speed, Density
79. Half-life of Radon is ___?
3.8 days
80. Equation of first law of thermodynamics is __?
ΔU = q + W
81. Magnetic field due to a current carrying conductor depends upon ___?
Current and Distance
82. Unit of Inductance is ___?
Henry
83. What is equation to find Torque?
τ = r × F
84. Dimension of Kinetic Energy is ___?
M1 L2 T-2
85. If an observer is at rest and source is moving then wavelength will be ____.
Same
86. Phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation is called ___?
Photo Electric Effect
87. Emission of Electron depends upon ___?
High Temperature
88. The number of waves that pass a fixed place in a given amount of time is called ___.
Frequency
89. Photo Electric Effect shows which nature of light?
Particle
90. Reverse process of Photoelectric Effect is ___?
X-rays production
91. The creation of a subatomic particle and its antiparticle from a neutral boson is called __.
Pair Production
92. Pair production occurs through which rays?
Gama Rays
93. It is a principal way in which radiant energy is absorbed in matter is called __.
Compton Effect
94. An interface or a boundary between two semiconductor material types, namely the p-type and the n-type, inside a semiconductor is called ___.
PN Junction
95. Putting a voltage across a diode that allows current to flow easily is called __.
Forward Bias
96. Denoting a voltage across the diode in the opposite direction is called ___.
Reverse Bias
97. Unit is Impulse is ___?
Ns or Kg m/s
98. Property characterizing the rotary inertia of an object or system of objects in motion about an axis that may or may not pass through the object or system is called ___.
Angular Momentum
99. A vector such as the radius vector that reverses sign when the coordinate axes are reversed is called __.
Polar Vector
100. A line joining the two charges and passing through the Centre of dipole is called __ line.
Axial