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Quantum Theory of Light:
Wave theory failed to describe some new effects in 19th century. A German Physicist Max Plank gave theory about the nature of light.
1. Light is emitted from a source in tiny packets of energy or Quanta.
2. These energy packets or bundles of light known as Photon.
3.The light is emitted and absorbed in the form of Photons.
4.The energy possessed by a photon depends upon its frequency
In a single slit diffraction pattern the distance between the first minimum on left to first minimum on the right is 0.054 cm for a light of wavelength 5890 Å. Determine
Write down the condition for dispersion without deviation. Describe power of a lens. What do you mean by magnification?
Using a lever Determine that the longer end of a lever travels farther and faster than the shorter end when the fulcrum is not in the centre. A baseball or cricket bat makes us
When you are talking about relative velocity of A with respect B then it''s like you are observing the motion of A while standing on B. That is, with respect to you, B is at rest.
Collision
Arrive at the mathematical expression for dispersive power of the material of a prism in terms of angle of deviation. Determine the critical angle for the material of refractiv
what is entropy and how is it useful in our everyday life?
The electric utility invoice for a household shows a usage of 1245 kWh during a certain 30-day period. What is the average power consumption during this period?
1. Discuss the internal noise sources that are present in a typical signal source and amplifier circuit, and describe their effects. 2. The company currently has a low noise a
Do objects of different weights fall with same acceleration on the earth? Yes , objects fall with the similar acceleration regardless of their weights at the surface of earth,
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