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streamline, turbulent and laminar flow.
What is streamline flow ? Streamline flow— When liquid flows such that each particle of the liquid passing a given point moves along the such path and has the same velocity as its predecessor, the flow is called streamline flow or steady flow. 1. What is Streamline Flow? Streamline flow, also called laminar flow, is…
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Huygens’ Principle – Class 12 Physics (CBSE)
Huygens’ Principle 1. Statement of Huygens’ Principle Statement 1: Every point on a wave-front acts as a source of secondary wavelets that spread out in all directions with the speed of light in that medium. Statement 2: The forward envelope (common tangent surface) of these secondary wavelets at any later instant gives the new wave-front…
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Why can’t two independent sources of light be coherent?
Why can’t two independent sources of light be coherent? Two independent sources of light cannot be coherent because they do not maintain a constant phase difference with time. To get the interference of light light should have coherent. To know about the coherent sources of light click here- Explanation Each independent source of light emits…