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Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-19

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Download in pdf physics general knowledge quiz questions and answers or GK objective questions with answers. These multiple choice questions and answers include mcqs on NOT gate, g-ray, light year etc.
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(91) A NOT gate can be implemented by
[A] a single transistor
[B] a single resistor
[C] a single diode
[D] two diode

Comment

Answer: Option [A]
(92) The term reactor referred to in wastewater treatment is
[A] Clarifier
[B] Aeration tank
[C] Vassel
[D] Setting tank

Comment

Answer: Option [B]

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(93) The earth is a
[A] non-absorber of heat
[B] good reflector of heat
[C] bad absorber and bad radiator of heat
[D] good absorber and good radiator of heat

Comment

Answer: Option [C]
(94) Which of the following radiations has the least wavelenght
[A] g-ray
[B] X-ray
[C] a-ray
[D] b-ray

Comment

Answer: Option [A]
(95) A light year is a unit of
[A] distance
[B] speed of light
[C] intensity of light
[D] none of the above

Comment

Answer: Option [A]

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