Physics
Holography is a technique of

Recording a permanent three dimensional multicolour photograph
Recording a permanent, sharp two diimensional black and white or multicolour photograph
Recording a permanent three dimensional black and white photograph
Recording a permanent three dimensional photograph of a given single colour or a multicolour

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Physics
The nature of fuse wire is

Low resistance and low melting point.
High resistance and low melting point.
Low resistance and high melting point.
High resistance and high melting point.

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