Advertisements
Advertisements
Question
Differentiate between the 'distance of the closest approach' and the 'impact parameter.'
Advertisements
Solution
The phrase "distance of closest approach" refers to the lowest separation required between two particles or objects during the interaction, for as when they collide. Due to the fact that this is where the particles are closest to one another, it is frequently expressed in terms of physical distance, such as metres or centimetres. The closest approach distance depends on the initial conditions of the contact, including the initial positions, velocities, and forces of the particles.
The "impact parameter," on the other hand, measures how far a particle's trajectory is from a target object during a collision, such as a nucleus. This word refers to the angle between the particle's initial trajectory and the centre of the target object. In order to better comprehend the dynamics of the collision, the impact parameter is sometimes stated in terms of physical distance, such as metres or millimetres.
APPEARS IN
RELATED QUESTIONS
Answer the following question, which help you understand the difference between Thomson’s model and Rutherford’s model better.
Is the average angle of deflection of α-particles by a thin gold foil predicted by Thomson’s model much less, about the same, or much greater than that predicted by Rutherford’s model?
Answer the following question, which help you understand the difference between Thomson’s model and Rutherford’s model better.
In which model is it completely wrong to ignore multiple scattering for the calculation of average angle of scattering of α-particles by a thin foil?
Alpha particles used in Geiger-Marsden experiment were obtained from ______.
The first line of Balmer series (Hα) in the spectrum of hydrogen is obtained when an electron of hydrogen atom goes from ______.
What is the nuclear radius of 125Fe, if that of 27Al is 3.6 fermi?
The electron in a hydrogen atom is typically found at a distance of about 5.3 × 10−11 m from the nucleus which has a diameter of about 1.0 × 10−15 m. Assuming the hydrogen atom to be a sphere of radius 5.3 × 10−11 m, what fraction of its volume is occupied by the nucleus?
The shortest wavelength of the Brackett series of a hydrogen like atom of atomic number Z is same as the shortest wavelength of the Balmer series of hydrogen atom, then the value of Z is ______.
How is the size of a nucleus found experimentally? Write the relation between the radius and mass number of a nucleus.
How was the small detector positioned to detect scattered alpha-particles?
How do electrons move in Rutherford’s nuclear model?
