α-Scattering Experiments Numerical Class-12 Nootan ISC Physics Solution Ch-26 Atom, Origin of Spectra : Bohr’s Theory of Hydrogen Atom. Step by step solutions of Kumar and Mittal Physics of Nageen Prakashan as council latest prescribe guideline for upcoming exam. Visit official Website CISCE for detail information about ISC Board Class-12 Physics.
α-Scattering Experiments Numerical Class-12 Nootan ISC Physics Solution Ch-26 Atom, Origin of Spectra : Bohr’s Theory of Hydrogen Atom
| Class | 12 |
| Subject | Physics |
| Book | Nootan |
| Chapter-26 | Atom, Origin of Spectra : Bohr’s Theory of Hydrogen Atom |
| Topics | Numericals on α-Scattering Experiments |
| Academic Session | 2025-2026 |
Numericals on α-Scattering Experiments
Class-12 Nootan ISC Physics Solution Ch-26 Atom, Origin of Spectra : Bohr’s Theory of Hydrogen Atom
Que-1: The energy of an a-particle is 1.2 x 10^-13 J. Up to what closest distance can it reach the nucleus of silver (Z = 47)?
Ans- Suppose that the closest distance is ro then,
Que-2: a-particles of 5.0 MeV are being scattered by a thin copper (Z = 29) foil. Up to what closest distance can these particles reach the nucleus of copper? If there be protons of same energy, then?
Ans-
If the proton have same energy then,
Que-3: In a head-on collision between an a-particle and a gold nucleus (Z = 79), the distance of closest approach is 4.0 x 10^-14 m. Calculate the energy of the particle.
Ans- The energy of particle
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