IQRA Science Academy

2nd Year Physics Important Long Questions

1. Capacitor, Its Capacitance, Energy Stored in Capacitor and Energy density.
2. Electric Field intensity due to an infinite sheet of charge. (Imp)
3. Millikan’s Oil drop method
4. Electric Potential due to a point charge. (Imp)
5. Wheatstone bridge, Its Construction and working (Most Imp)
6. Potentiometer as Potential divider and measuring of emf of cell. (Imp)
7. Resistivity and derivation for co-efficient of temperature.
8. Ampere’s law and derivation for Relation B=𝜇𝑜𝑛𝐼 for solenoid. (Imp)
9. CRO, its construction, Working and uses
10. Galvanometer, its conversion into ammeter and voltmeter, Principle ,construction and working of moving coil of galvanometer. (Most Imp)
11. Define Lorentz force and determine e/m of electron by magnetic field. (Imp)
12. Force on a charged particle moving in the magnetic field.
13. Lenz’s law
14. Energy Stored in an Inductor (Imp)
15. R-C and R-L Series Circuit/Series Resonance circuit, Expression for impedance and properties(Most Imp)
16. R-L-C series resonance circuit and its properties.
17. Extrinsic and intrinsic Properties of solids and P-Type and n-type substances. (Most Imp)
18. Magnetic properties of solids.
19. Energy band theory and distinguish b/w conductors, insulators and semiconductors on the basis of this theory. (Imp)
20. Strain energy and its derivation.
21. Rectification. Half/full wave rectification. (Most imp)
22. Electromagnetic waves, Principle of their transmission.
23. Amplifier/ Operational amplifier as inverting and non-inverting amplifier (Imp)
24. Transistor as Amplifier and relation for voltage gain (Imp)
25. Photoelectric effect/ effect of frequency and Einstein’s equation derivation. (Imp)
26. Davison and Germer experiment for wave nature of particles./ Heisenberg uncertainty principle. (Imp)
27. Black body radiations/effect of temperature and energy distribution curve (Imp)
28. Spectroscopy and derivation for radii and energy of quantized orbit./ Bohr’

Surat No 53 : سورة النجم - Ayat No 48

وَ اَنَّہٗ ہُوَ اَغۡنٰی وَ اَقۡنٰی ﴿ۙ۴۸﴾

اور یہ کہ وہی مالدار بناتا ہے اور سرمایہ دیتا ہے ۔