Visible light spectrum

Total Questions: 12

1 - Which of the following is consider as the "primary Colors"--------:
A ) Red , blue, green ✅
B ) Red , yellow, blue
C ) Red, green, orange
D ) Red, green, Violet

2 - Which of the following is not primary Color?
A ) Yellow ✅
B ) Red
C ) Green
D ) Blue

3 - After passing light through prism, light disperses in------:
A ) 4 color
B ) 5 Color
C ) 7 Color ✅
D ) 8 Color

4 - By mixing all the colors of the visible spectrum of sunlight we produce -----:
A ) White light ✅
B ) Green light
C ) Purple light
D ) Infrared light

5 - A clear sky is blue because -----:
A ) Blue light is scattered more than red ✅
B ) Ultra Violet light gas been absorbed
C ) Red light is scattered more than blue
D ) Blue light has been absorbed

6 - The phenomenon where light refracts into a spectrum of colors is --------:
A ) Rainbow ✅
B ) Hallow
C ) Mirage
D ) Aurora

7 - A rainbow is formed due to sunlight being reelected by ----------:
A ) Water drops ✅
B ) Dust particles
C ) Clouds
D ) All of these

8 - Sky is blue due to light is ------- to the dust and gas particles.
A ) Scattering ✅
B ) Diffraction
C ) Refraction
D ) Reflection

9 - The proces of separating light into its component color is called --------:
A ) Dispersion ✅
B ) Diffraction
C ) Reflection
D ) Refraction

10 - The phenomenon in which light bends around obstacles is called ------:
A ) Diffraction ✅
B ) Reflection
C ) Refraction
D ) Absorption

11 - In a prism which color of lights is bent the most?
A ) Red
B ) Violet ✅
C ) Green
D ) Blue

12 - The angle at which light bends when passing from one medium to another is called -----:
A ) Critical angle ✅
B ) Angle of incident
C ) Angle of reflection
D ) Angle of refraction
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