Tuesday, 1 September 2026

HSC 2027 PHYSICS CHAPTER 15 STRUCTURE OF ATOMS & NUCLEI MOST EXPECTED QUESTIONS

HSC 2027 PHYSICS CHAPTER 15 STRUCTURE OF ATOMS & NUCLEI  

MOST EXPECTED QUESTIONS

1. STATE THE PROSTULATES OF BOHRS ATOMIC MODEL

2. COMPUTE THE RATIO OF LONGEST WAVELENGTH IN LAYMAN & BARMER SERIES

3. WHAT IS IONIZATION ENERGY. DEFINE 1 BECQUEREL

4. DERIVE AN EXPRESSION FOR WAVELENGTH OF SPRETRAL LINES IN HYDROGEN ATOM

5. DERIVE AN EXPRESSION FOR LAW OF RADIOACTIVE DECAY

6. DERIVE THE RADIOACTIVE DECAY LAW & STATE SI UNIT OF ACTIVITY

7. STATE THE LIMITATIONS OF BOHRS ATOMIC MODEL

8. EXPRESSION FOR RADIUS OF NTH BOHR ORBIT OF THE ELECTRON

9. EXPRESSION FOR HALF LIFE TIME USING RADIOACTIVE DECAY LAW

10. WHAT IS BINDING ENERGY OF HYDROGEN ATOM 

11. FORMULA FOR BOHR MAGNETON FOR ELECTRON IN NTH ORBIT

12. FORMULA FOR 3RD PROSTULATE OF BOHRS MODEL

13. WHICH SERIES OF SPECTRAL LINES BELONG TO UV REGION 

14. WHAT IS BETA PLUS DECAY

15. SOLVE ALL TEXTBOOK & PYQ NUMERICALS