Thursday, 16 January 2020

FPSC Physics Lecturer Job Test Preparation

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Objective Type Physics MCQs With Answers For Federal Public Service Commission Test
FPSC MCQs Physics Solutions & Question Answers

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Physics FPSC Online Quiz Test Objective Type MCQs

Physics Question Answers Teaching Jobs MCQs Solved List

Q.1: Image of an object 5 mm high is only 1 cm high. Magnification produced by lens is--------- ?
  1. 0.5
  2. 0.2
  3. 1
  4. 2
Q.2: In hydrogen spectrum which one of the following series lies in the ultraviolet region ?
  1. Balmer series
  2. Pfund series
  3. Bracket series
  4. Lymann series
Q.3: Bracket series is obtained when all transition of electron terminate on--------- ?
  1. 4th orbit
  2. 5th orbit
  3. 3rd orbit
  4. 2nd orbit
Q.4: Radiation produced from TV picture tube is-------- ?
  1. B-rays
  2. X-rays
  3. Far infrared
  4. Infrared
Q.5: Which one of the following has the greatest energy gap ?
  1. insulator
  2. conductor
  3. semi conductor
  4. any of above
Q.6: The simplest type of rectification known as half wave rectification is obtained by--------- ?
  1. using a transistor
  2. suppressing the harmonics in A.C voltage
  3. suppressing half wave of A.C supply by using diode
  4. using a Coolidge tube
Q.7: An OP-AMPs can amplify------- ?
  1. D.C.
  2. A.C.
  3. Both A.
  4. & D.C.
  5. None of the above
Q.8: If the pressure of a given gas is held constant its density is inversely proportional to its absolute temperature. We can refer it as another statement of------- ?
  1. Boyles law
  2. Charles law
  3. Ideal gas law
  4. Avagadros law
Q.9: At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale ?
  1. 460°C
  2. 280°C
  3. 360°C
  4. 160°C
Q.10: An OP-AMP comparator is a circuit that compares the signal voltage on one of its inputs with a -------- ?
  1. Non-inverting voltage at output
  2. Virtual input
  3. Output
  4. Reference voltage on the other
Q.11: The purpose of flywheel in the engines is------- ?
  1. to smooth out the energy variation
  2. to add more weight to engine to work it stable
  3. to start engine
  4. both A and B
Q.12: A vector can be multiplied by a number. The number may be----- ?
  1. Dimensionless
  2. Dimensional scalar
  3. Negative
  4. All A, B and C are correct
Q.13: A central force is that which-------- ?
  1. Can produce torque
  2. Cannot produce torque
  3. Some time can produce torque some time cannot
  4. Has no relation with torque
Q.14: An angle between two vectors A and B can be determined by-------- ?
  1. Their dot product
  2. Their cross product
  3. Head to tail rule
  4. Right-hand rule
Q.15: Antimatter consists of -------- ?
  1. Antiproton
  2. Antineutron
  3. Positron
  4. All of above
Q.16: Which one of the following radiations possesses maximum velocity ?
  1. α-rays
  2. β-rays
  3. γ-rays
  4. All of above have the same speed
Q.17: Which one of following postulate is in accordance with the Rutherfords model ?
  1. continuous spectra for atoms
  2. discrete spectra for atoms
  3. either continuous nor discrete
  4. no spectrum
Q.18: UV radiation can be produced by-------- ?
  1. Heating the filament
  2. Electron excitation in the gas
  3. Ionization of atoms
  4. All the above
Q.19: Semi-conductor germanium and silicon are--------- ?
  1. pentavalent
  2. trivalent
  3. divalent
  4. tetravalent
Q.20: Depletion region of a junction is formed------ ?
  1. during the manufacturing process
  2. under forward bias
  3. under reverse bias
  4. when temperature varies


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