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Everyday Science Questions & Answers Section 171

Ques No.1: Pure gold is _________.

Ans: 24 carat

Ques No.2: The first laser ever used is ___________.

Ans: Semiconductor laser

Ques No.3: Hereditary disorders are the result of ____________.

Ans: Defective DNA nucleus

Ques No.4: Three dimensional image formed by laser is called _________.

Ans: Photograph

Ques No.5: Carbon dioxide is used in ____________.

Ans: fire extinguishers

Ques No.6: Laser is used to produce an image of ___________.

Ans: One dimension

Ques No.7: _________ is used to measure Time.

Ans: Chronometer

Ques No.8: The procedure of crushing the gallstone and kidney stone by laser is called _________.

Ans: Lithotripsy

Ques No.9: Red color has the longest wavelength and violet has the __________.

Ans: shortest wavelength

Ques No.10: __________ receives the signal and give its output through the Printer.

Ans: Fax machine

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