HSC 2026 Chemistry chapter 1 Solid State

Most Expected Questions 

1. Distinguish between crystalline and amorphous solids.

2. How many atoms are there in FCC explain.

3. Explain schotky and frenkel defect.

4. Explain metal deficiency with example.

5 . Substitutional and interstitial impurities defect

6. Calculate percentage packing efficiency in case of SCC ,FCC. 

7. All pyq from ylearn app.

HSC 2026 Physics chapter 13 AC Circuits.

Most Expected Questions.

1. Explain inductive reactance , capacitive reactance

2. Explain impedance, admittance.

3. State formula for average power in AC Circuits & Formula for power factor.

4. Conditions for current and impedance in series & parallel resonant circuit.

5. What is average value of AC current over a complete cycle.

6. When is an AC Circuit inductive.

7. Derive an expression for impedance for LCR circuit. Draw it's phasor diagram.

8. Solve all solved numericals from textbook.

HSC 2026 Physics chapter 12 Electromagnetic Induction

Most Expected Questions ( 4 -5 marks Fix)

1. What is transformer.

2. Explain the construction and working principle of transformer.

3. Derive the equation of transformer.

4. Distinguish between stepup and stepdown transformer.

5. Define self induction and mutual induction.

6. What are Eddy currents. Write it's 2 applications.

7. State Faraday laws of Electromagnetic Induction.

8. State Lenz law of Electromagnetic Induction.

9. Obtain an expression for rotational EMF of conducting bar in an uniform magnetic field perpendicular to the plane of rotation.

10. Obtain an expression for EMF generated in a conductor moving in an uniform magnetic field along x axis.

HSC 2026 Physics chapter 14 Dual Nature

Confirm Questions ( 5 marks Fix)

1. What is photo electric effect.

2. State two characteristics of photoelectric effect.

3. With a neat diagram explain the experimental setup to study photoelectric effect.

4. State Einstein's Photo electric equation and mention the significance of each term in it.

5. What is debroglies hypothesis. Obtain an expression for debroglies wavelength.

6. What is debroglies wavelength. Obtain an expression for it.

7. Define photo electric work function, threshold frequency, stopping potential.

HSC 2026 Physics Current Electricity

Most Expected Questions ( 5-6 marks Fix Fix...)

1. What is value of resistance in an ideal voltmeter.

2. Define Potential Gradient

3. What is Shunt. 

4. State Kirchoffs law of electricity.

5. Define Loop , Junction,Node.

6. Conversation of Mcg to ammeter.

7. Conversion of Mcg to voltmeter.

8. Distinguish between ammeter and voltmeter.

9. Distinguish between potentiometer and voltmeter.

10. Advantages of potentiometer over voltmeter.

11. With a neat diagram explain calculation of unknown resistance using meter bridge.

12. Obtain the balancing condition for wheatstone Bridge.

13. Explain calculation of internal resistance using potentiometer.

14. Show that deflection in MCG is directly proportional to the current passing through it.