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Physics
An object of specific gravity  is hung from a thin steel wire. The fundamental frequency for transverse standing waves in the wire is 300 Hz. The object is immersed in water so that one half of its volume is submerged. The new fundamental frequency in Hz is


Chemistry
The increasing order of boiling points of the below mentioned alcohols is
(I) 1, 2 – dihydroxy benzene
(II) 1, 3 – dihydroxy benzene
(III) 1, 4 – dihydroxy benzene
(IV) Hydroxy benzene

(a) I<II<IV<III      (b) I<II<III<IV     (c) IV<II<I<III     (d) IV<I<II<III

Mathematics
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