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Chlorine atom differs from chloride ion in the number of:
(1) Proton
(2) Neutron
(3) Electrons
(4) Protons and electrons
Ans: Electrons
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 ra
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when dispersion is happening from a prism, the colors are separated out. do each of these colors move with different velocities to keep frequency constant? practically is it possib
types of equilibriam
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Total height of the gymnast just before falling back down is=(2+.3)=2.3m Energy gained at that point = m*g*h(m=mass, g=gravitational force, h=height) =55*9.8*2.3=1239.7 J
Explain the Optical Instruments? The lenses you use most often are the ones in your eyes. The front of your eye has a convex lens whose focal length can be changed by the muscl
Graphs of current against voltage for two resistors P and Q are shown in Figure. Determine the value of every resistor.
what is the importance of laser?
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