Q.

Tick the incorrect matches :

 ScientistDiscovery
(i)Christiaan HuygensElectromagnetic Theory
(ii)ArchimedesPrinciple of buoyancy and principle of lever
(iii)James ChadwickElectron
(iv)Albert EinsteinExpanding universe

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a

(ii, iv)

b

(i, iii, iv)

c

(i, ii, iv)

d

(i, ii)

answer is A.

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Detailed Solution

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Only correct match is (ii).

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