Class 7 Science MCQs - Chapter 4
Dispersion of Light Quiz Questions & Answers PDF Download - 27
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Dispersion of Light Exam Questions and Answers PDF Download: Test 27
If angle of incidence of light entering a dense object is zero, then light will
- keep on going straight
- move in curved paths within the object
- complete half distance in the object
- keep on going opposite direction
White light can also be made by
- one color
- two colors
- three colors
- four colors
If light enters the glass with an angle of 42 degree or greater, the light will
- refract
- refract more
- reflect totally internally
- refract totally internally
We see yellow color in our eyes because
- the cones shine like dots
- the rods shine like dots
- the cones shine alternatively to dots
- the rods shine alternatively to dots
Due to large angle of incidence, the light
- divides into seven colors of the spectrum
- refracts inwards
- reflects back
- divides into red and blue color
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