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What is radioactivity?
Radioactivity: The process of spontaneous disintegration of the nuclei of heavy elements with the emission of certain radiations is known as natural radioactivity.
The nuclei of certain elements with atomic number more than 82 disintegrate by emitting alpha (α ), beta (β ) and gamma (c ) rays. This phenomenon is called radioactivity.
a) What force is needed to give amass of 20kg an acceleration of 30m/s 2 ? b) Find the accelerating force when a car having a mass of 1.7Mg enhances its speed with a constant a
CANT understand anything!!
Write a short (approx. one page) review of the contribution of one of the following people to the historical development of Physics; Aristotle Ibn al-Haytham Ga
Define term practical optical fibre in short. Optical fibre: A practical optical fibre has in common three coaxial areas. The innermost area is the light guiding region term
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A genetically modified yeast is cultivated at pH = 3.3 and temperature = 37°C). Values of substrate flow, F, cell mass concentration, X 1 , concentration of glucose, S 1 (the limi
In Rutherford's experiment including the deflection of alpha particles by atomic nuclei, the fact that some of the alpha particles bombarding the thin gold foil were back-scattered
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how to get the formula ?.
Q. Explain Mirror - Lens Equation? A central equation in optics relates the focal length, object distance and image distance for a thin lens or mirror. This equation is general
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