Current Affairs Quiz 2024GKCourses AptitudeADRE 2.0English

Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-14

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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 physics etc.
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(66) A body absorbs heat most if it is
[A] black and smooth
[B] black and rough
[C] white and black
[D] white and rough

Comment

Answer: Option [B]
(67) The slope of a velocity-time graph represents
[A] distance
[B] acceleration
[C] speed
[D] All of the above

Comment

Answer: Option [B]

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(68) A rear-view mirror for driving is
[A] convex
[B] concave
[C] inverted
[D] None of the above

Comment

Answer: Option [A]
(69) The audio signals of TV are
[A] unmodulated
[B] velocity modulated
[C] Amlitude modulated
[D] frequency modulated

Comment

Answer: Option [D]
(70) Red is used as an emergency or danger signal as
[A] it is scattered
[B] it has very high energy
[C] its wavelength is the longest
[D] None of the above

Comment

Answer: Option [C]

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