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प्रश्न
The size of the atom in Thomson’s model is ______ the atomic size in Rutherford’s model.
विकल्प
much greater than
no different from
much less than
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उत्तर
The size of the atom in Thomson’s model is no different from the atomic size in Rutherford’s model.
संबंधित प्रश्न
Answer the following question, which help you understand the difference between Thomson’s model and Rutherford’s model better.
Keeping other factors fixed, it is found experimentally that for small thickness t, the number of α-particles scattered at moderate angles is proportional to t. What clue does this linear dependence on t provide?
In a Geiger-Marsden experiment, calculate the distance of closest approach to the nucleus of Z = 80, when a α-particle of 8Mev energy impinges on it before it comes momentarily to rest and reverses its direction.
How will the distance of closest approach be affected when the kinetic energy of the α-particle is doubles?
In a Geiger-Marsden experiment, calculate the distance of closest approach to the nucleus of Z = 75, when a α-particle of 5 MeV energy impinges on it before it comes momentarily to rest and reverses its direction.
How will the distance of closest approach be affected when the kinetic energy of the α-particle is doubles?
The basic force acting on the alpha particles using Coulomb's law is ______.
In Geiger-Marsden experiment, actual results were ______.
An automobile moves on a road with a speed of 54 km h−1. The radius of its wheels is 0.45 m and the moment of inertia of the wheel about its axis of rotation is 3 kg m2. If the vehicle is brought to rest in l 5s, the magnitude of average torque transmitted by its brakes to the wheel is:
The equation of trajectory of a projectile is given by y = `"x"/sqrt3 - "gx"^2/20`, where x and y are in metres. The maximum range of the projectile is:
An alpha particle has
In 88 Ra226 nucleus, there are
Would the Bohr formula for the H-atom remain unchanged if proton had a charge (+4/3)e and electron a charge (−3/4)e, where e = 1.6 × 10–19C. Give reasons for your answer.
If λa, λb and λc represent the Kα, Kβ and Lα transition wavelengths in a hydrogen atom, respectively. Then which of the following is correct?
When alpha particles are sent through a thin gold foil, most of them go straight through the foil, because ______.
During Rutherford’s gold foil experiment, it was observed that most of the α-particles did not deflect. However, some showed a deflection of 180°.
What hypothesis was made to justify the deflection of α-particle by 180°?
How was the small detector positioned to detect scattered alpha-particles?
Which part of the arrangement was struck by the alpha-particles?
How does the size of the nucleus compare with the size of the atom?
Why is the nucleus treated as stationary during scattering?
Why is an alpha-particle assumed to suffer only a single scattering?
