Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Colors on Screen MCQ Quiz Online PDF Download

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Class 7 Science MCQs: Colors on Screen Quiz Questions PDF Download

MCQ: Screens of monitors and televisions are made by

A) red dots
B) red, yellow and green dots
C) red, green and blue dots
D) white dots

MCQ: Televisions and monitors use the effect of

A) primary colors
B) secondary colors
C) tertiary colors
D) special color

MCQ: We see yellow color on the screen because

A) red and blue dots shine more than green dots
B) green and red dots shine more than blue dots
C) green and blue dots shine more than red dots
D) dots shine at the same rate

MCQ: We see yellow color in our eyes because

A) the cones shine like dots
B) the rods shine like dots
C) the cones shine alternatively to dots
D) the rods shine alternatively to dots

MCQ: We see different colors on screen because dots change their

A) colors
B) brightness
C) sharpness
D) size

Practice Tests: Class 7 Science Exam Prep

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