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Questions

Physics

Multiple Choice Question with Only One Choice Correct
The fundamental frequency of a sonometer wire increases by 6 Hz if its tension is increased by 44%, keeping the length constant. The frequency of the wire is

(a)	24 Hz	(b)	30 Hz
(c)	36 Hz	(d)	42 Hz

Chemistry

Multiple Choice Question
The main ore of aluminium is

(a)

bauxite

(b)

alumina

(c)

potash alum

(d)

cryolite

Mathematics

Passage based Question
Passage I
A polynomial p(x) of degree two or less which takes values y₀, y₁, y₂at three distinct values x₀, x₁, x₂ respectively, is given by

If a

0, then p(x) is given by

(a)	(1 - x²) p(0) + x(1 - x) p' (0) + x² p(1)
(b)	x² p(0) + xp' (0) + p(1)
(c)	x² p(0) + xp'(0) + xp(1) + p'(1)
(d)	none of these

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