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1. Write four facts of Panama Canal.

Suppose that f is a function such that 2x^(2)<=f(x)<=x(x^(2)+1) for all x that are near to 1 but not equal to 1. Show that this fact contains enough information for us to find lim_(x rarr1)f(x). Also,find this limit.

At 300 K and 1.00 atm. pressure, the density of gaseous HF is 3.17 gL^(-1) . Which of the following facts, is supported by the given data ?

Non-stoichiometric cuprous oxide. Cu_(2)O can be perpared in laboratory. In this oxide, copper-to-oxygen ratio is slightly less than 2 : 1. can you account for the fact that this substance is a p-type semiconductors?

With respect to air,critical angle in a medium for light of red colour [gamma_1] is theta . Other facts remaining same, critical angle for light of yellow colour [gamma_2] will be