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Explain Electricity and static electricity
Electricity - study of stationary (static) or moving charges
Static Electricitiy (Electrostatics) - electric charges at rest
Two types of charges: (i) negative (electrons, negative ions);
(ii) positive (protons, positive ions)
Explain the Nuclear Chain Reactions Fission is the breaking up of a massive nucleus into two fragments, with the release of energy and some particles. Uranium 235 fissions upon
An atom of argon(18 protons, 19 neutrons) is ionised by the removal of two orbiting electrons. Q) How many protons and neutrons are there in this ion?
As ice floats in water, about 10% of the ice floats above the surface of the water. If we float some ice in a glass of water, what happens to the water level as the ice melts? M
What is the mass ms of one 294Uus atom, in SI units? Include the error bars in your answer, using 1 atomic mass unit 1u = (1.66053892 ± 0.00000007) × 10-27 kg.
Consider air (ideal gas) as working substance inside a piston-cylinder device (closed system). This air undergoes a power cycle as shown in figure. Determine work output per unit m
what is the wavelength of light
a 8 microfarad capacitor is charged to V=120V. the charging battery is then removed and the capacitor is connected in parallel to an uncharged 4 microfarad capapcitor. (a) what is
What is the proper formula used to calculate acceleration? There are a few. The most famous is a = F/m, where F is the net force applied to a mass, m. Acceleration is also the
Q. Why does the sky appear blue in colour? As-per to the Rayleigh's scattering law the shorter wavelengths are scattered much more than the longer wavelengths. The blue look o
why do some substances react with each other while others don''t?
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