12th Physics Short Questions
PHYSICS 12th Federal Board
(18 SHORT QUESTIONS)
To watch Details Explanation of each topic: Click Here
01. EQUIPOTENTIAL SURFACE
What are equipotential surface?Describe the effect of potential on equipotential surfaces?
02. ELECTRIC POTENTIAL
How Electric field can be written in terms of potential gradient?
Show that 1 Volt/meter = 1 newton/coulomb?
Explain how potential difference is different from electric potential?
03. ELECTRIC VOLT
Derive the electron volt relation with joule?
Explain how electron volt is different from potential difference?
04. RESISTIVITY
Explain Resistivity and discuss the factors on which it depends?
05. Temperature Dependance of Resistance
Discuss types of temperature dependent resistors and effect of resistivity on temperature?
06. POTENTIOMETER
Explain the relationship of potentiometer with the help of diagram?
What are the applications of potentiometer?
07. FARADAY’S LAW
Explain Faraday’s law and how it is related with Lenz’s law?
08. LENZ’S LAW AND CONSERVATION OF ENERGY
Does Lenz’s law violates law of conservation of energy?
09. AC THROUGH INDUCTOR/CAPACITOR
Derive the emf or voltage for AC connected to Inductor?
Calculate the current for AC passing through capacitor?
10. STRESS-STRAIN CURVE
Discuss the elastic limit and yield strength in stress-strain curve?
Differentiate between elasticity and plasticity of any material?
11. P-N JUNCTION
Differentiate between forward biased and Reverse biased diode?
Explain about depletion region and does it varies under different conditions?
12. TRANSISTOR
Explain the type of configurations in transistors?
Describe the applications of both Common-Base and Common-Emitter Transistor?
13. AMPLIFICATION
Differentiate between Alpha factor and Beta factor?Derive the relationship between Alpha and Beta factor?
14. SPECIAL THEORY OF RELATIVITY
Explain the postulates of special theory of relativity with the help of examples?
Explain any three consequences of special theory of relativity?
15. BLACK BODY RADIATION
What was the Plank’s assumption about the photon to explain the graph of black body?
16. WAVE NATURE OF PARTICLE
Deduce the relation of De Broglie Wavelength?
17. LASER
Discuss the metastable state and population inversion in Laser?
18. NUCLEAR REACTIONS
How Nuclear Fission is different from Nuclear Fusion?
How controlled fission reaction can be used in nuclear reactor?
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