NUMERICAL RESPONSE QUESTIONS | Ch 21 NUCLEAR PHYSICS | Phy 10 | Lec 14 | NBF | FBISE

NUMERICAL RESPONSE QUESTIONS | Ch 21 NUCLEAR PHYSICS | Physics 10 | Lecture 14 | National Book Foundation| Federal Board Solve Numerical Response Questions from Chapter 21 Nuclear Physics, Class 10 Physics, National Book Foundation (NBF), Federal Board (FBISE). Topics include: half-life, radioactive decay, alpha decay, energy from mass conversion, and C-14 dating. Step-by-step solutions are explained for board exam preparation. Perfect for students preparing for FSC Part 2 Physics exams. Timestamps 00:00 – Q1 Polonium: Number of protons, neutrons, nucleons 03:44 – Q2 Americium alpha decay, chemical equation, daughter nucleus 07:00 – Q3 Radioactive substance half-life 16 months, find time for one-eighth decay 11:39 – Q4 Nuclear reaction, 2 μg mass converted to energy 14:57 – Q5 Polonium half-life calculation, 1/8 remains after 420 days 17:25 – Q6 Radium half-life 1600 years, find remaining 250 g from 1 kg 23:05 – Q7 Radioactive isotope, 3/4 decayed in 1 hour, find half-life in minutes 26:04 – Q8 Bismuth-219 half-life 5 days, 64,000 nuclei, find remaining atoms after 1 month 29:54 – Q9 C-14 dating: human skull 25% remaining, find age 33:11 – Q10 C-14 dating: piece of wood, 70% decayed, find age Hashtags #Class10Physics #NuclearPhysics #FBISE #NBF #HalfLife #AlphaDecay #C14Dating #FSCPart2Physics #RadioactiveDecay #BoardExamPrep #PhysicsLecture #NumericalQuestions #EnergyFromMass #AtomicPhysics #PhysicsNumerical Class 10 Physics,Nuclear Physics,Numerical Response Questions,FBISE Physics,NBF Physics,FSC Part 2 Physics,Half-life problems,Alpha decay examples,C14 dating,Polonium decay,Americium alpha decay,Radium decay,Bismuth 219 decay,Energy from mass conversion,Radioactive decay calculations,Physics numericals,Board exam physics,Physics lecture Pakistan,Physics tutorial,Atomic nucleus calculations