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If the electrons striking the target eject an electron from the K-shell of the atom, a vacancy is crated in the K-shell. Instantly an electron from one of the outer most shell, say L-shell jumps to the K-shell, emitting an X-ray photon of energy equal to the energy difference among the two shells. Likewise, if an electron from the M-shell jumps to the K-shell, X-ray photon of high power is emitted. The X-ray photons emitted because of the jump of electron from the L, M, N shells to the K-shells gives K?, K?, K? lines of the K-series of the spectrum.
If the electron striking the target ejects an electron from the L-shell of the target atom, an electron from the M, N ..... shells jumps to the L-shell so that X-rays photons of smaller power are emitted. These photons form the lesser energy emission. These photons form the L-type of the spectrum. In a similar way the formation of M type, N type etc. may be explained.
For which of the following does the centre of mass lie outside the body 1. A pencil 2. A shotput 3. A dice 4. A bangle Solution) 4. bangle ; centre of mass of hollow objects
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How can time delay between the different modes be reduced? The time delay between the various modes can be reduced when (a) the rays traveling off axis to the fiber are spee
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