Class 12 Physics 2022 Hard Areas MCQs Test

FBISE Federal Board Class 12 Physics 2022 Hard Areas MCQs Test. Do as much practice as you can so that you get good marks in the final exams.


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Class 12 Physics 2022 Hard Areas MCQs Test

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Class 12 Physics
Past Paper 2022 Hard Areas
Practice MCQs Test

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

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2. The capacitive reactance in a pure capacitive D.C circuit is:

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3. The knee voltage for Germanium is:

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4. The maximum output power is delivered to a load resistance 'R', when the internal resistance 'r' of the source is equal to:

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5. In transistor, the emitter current, IE is 3.5A and collector current IC is 2.35A. What will be the base current?

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6. The process of generating three dimensional image of the object using laser beam is called:

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7. The energy of the electron in the excited state n=3 in hydrogen atom is:

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8. An electromagnetic wave is generated by:

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9. Mass equivalent of 931 MeV energy is:

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10. When carrying electricity on long distances, step-up transformers are used to:

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11. Work done on a charged particle moving in a uniform magnetic field is:

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12. Which particle has the shortest wavelength, if all are having the same velocity?

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13. If an object moves with speed of light, its mass will be:

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14. A wire of uniform cross-sectional area 'A' and length 'L' is cut into two equal parts. The resistance of each part becomes:

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15. If both the length and radius of the rod are doubled, then modulus of elasticity will:

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16. The energy of an electron which accelerate through a potential difference of 1000V is:

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17. The unit of magnetic flux density is:

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