describe and illustrate with the diagram how we should arrange two converging lenses so that a parallel beam of light entering one lens emerge as a parallel beam after passing through the second lens
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Out of H2PO2, H2PO2 and H2PO4 which has the maximum number of P - H bonds?
In the first case all the hydrogen atoms are attached to oxygen atom as OH group from which hydrogen can be easily released as protons.
Hence,the acidity will be the highest.
As electron density of the O—H bond decreases, the bond becomes more polar.
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Let F1 and F2 be the focuses of given convex lenses.
The distance between the two convex lenses should be
l = F1+F2
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