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In the thin lens equation first prove that Zz = f*f (Hint use this diagram along with the characteristics of similar triangles). Then use this equation along with the act that Z^ = Z + f, z^ = z + f to prove the thin lens equation, which is equation 2.2 in the book. What are the two values of z^ for the cases where Z^ is plus infinity, and where Z^ = f.
A medium is characterised by relative permittivity ε r =45 and relative permeability μ r =5. Determine the speed of e-m wave in the refractive and medium index of the medium.
Principle of Cell: To study electrical principles further we require a source of emf. Although an emf can be produced by any of the six methods discussed above, large amounts o
why does rain water boils faster than fresh water
1). A ring of outer diameter 80 cm is made from square of cross -section steel bar size(8 *8 cm) . If relative permeability 1200 for steel . calculate the current needed to produce
In the SI system of measure, what is the unit of capacitance? Ans: In the SI system of measure, farad is the unit of capacitance.
what is band gap?
sensitivity of moving coil galvanometer can be increased by decreasing?
Are machines with the CE mark certified? The CE mark was a good concept in its inception but this has been so much abused which has become practically meaningless for the end u
Question: In that piece of a circuit outside of any batteries or power supplies what is it that actually pushes charged particles through the circuit? Answer: By defini
Ionisation: If the amount of external energy is large enough the valence electron can gain sufficient kinetic energy (energy of movement) to be removed completely from its atom
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