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Q. What is fine structure of spectral lines?
When the spectral line of hydrogen atom is observed by spectrometers having high resolving power it is found that a single line is composed of two or more close components. This is recognized as the fine structure of spectral lines. Bohr's theory couldn't explain the fine structure of spectral lines.
What is the change in temperature of 2.2 kg of the following substances if 8.5 x 10 3 J of thermal energy is added to each of the substances? a. ice b. Water c. Alumi
Fusion Reaction: In nuclear fusion light nuclei are brought together to form a relation heavier nucleus. They energy free in nuclear fusion is larger than that free in fission.
A sprinter runs 100.0 m. If he travels at constant acceleration of 1.95 m/s2 for the first 6.00 s, and then at constant velocity for the remaining time, what was his average veloci
What is electricity
Define the Nuclear Power As an energy source, nuclear power is an alternative to fossil fuels. Controlled nuclear chain reactions are used to generate electricity in a safe ma
Understand how an Endoscopy used in the invasive surgery. Endoscopy is a minimally invasive diagnostic medical process utilized to assess the interior surfaces of an organ thro
A force of 2.5kN is needed to lift a load. How much work is done if the load is lifted by 500cm? An electromagnet exerts a force of 12N and moves a soft iron armature by a dist
a) Amplitude : It is the main value of distance of the particle from its equilibrium position. b) Time period (T): Smallest time interval after which the oscillatory motion
The airplane shown in the figure is to achieve "weightlessness" for a short period of time by flying along a curved path such that it's acceleration components in x direction a x
Explain the production of Newton's ring because of reflected light with a neat diagram. Get the expression for the diameter of both dark and bright ring.
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