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Q. Give the drawbacks of Sommerfeld’s atom model?
Drawbacks of Sommerfeld's atom model:
(i) It couldn't explain the distribution and arrangement of electrons in atoms.
(ii) Sommerfeld's model was incapable to explain the spectra of alkali metals such as sodium and potassium etc.
(iii) It couldn't explain Zeeman and Stark effect.
(iv) This model doesn't give any explanation for the intensities of the spectral lines.
Why does a glass filled with water shatter when you run your finger along the rim of the glass? A piece of crystal stemware has a natural or resonant frequency that can be exc
Calculate mass of an electron accelerated to kinetic energy of 2 M eV.
Active network:- It can be described as a network, which contains one or more than single source of e.m.f. in it.
Q. Explain the Law of Machines? Answer:- Machines which are utilized to lift a load are governed by the Law of machines which states that the effort to be applied on the m
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What is a hypothesis for a Hooke''s Law experiment which was completed with a single, series and parallel spring arrangement?
Advantages of induction motors 1. Simple design. 2. Low cost compared to other motors of the similar capacity. 3. High overload capacity. 4. Very rugged construction.
Equilibrium can be spited in given types: (i) Stable equilibrium : After showing a charged particle from it's equilibrium point, if it goes back then it is called in stable equ
A sky diver in free fall reaches a speed of 65.2 m/s when she opens her parachute. The parachute quickly slows her down to 7.30 m/s at a constant rate of 29.4 m/s 2 . During th
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