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INTERFERENCE and DIFFRACTION:
INTERFERENCE: The physical effect of super position of waves from two sources vibrating with same frequency and amplitude is called the interference of waves.
DIFFRACTION : The bending of a wave or its deviation from the original direction of propagation when it meets a small obstacle is called diffraction.
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How many planets are found till now? Nine.
what is the importance of laser?
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is there any Law of Physics acting in a weighted object placed in a corrugated paper and the paper can actually support it well thanky you :)
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Hard Ferromagnetic Substances: Those substances that do not lose their magnetism or removing from magnetic field are known as hard magnetic substance such as steel.
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