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Science
10th
grade
Dispersion and Scattering | Human Eye and the Colourful World | Assessment | English | Grade 10
5 questions
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- 1. Multiple Choice
The splitting of light into its component colours is known as ___________ .
scattering of light
dispersion of light
tyndall effect
refraction of light
- 2. Multiple Choice
Which of the following colours has the largest angle of deviation when light splits into seven colours?
Blue
Red
Orange
Yellow
- 3. Multiple Choice
We see sky as blue because ________________ .
red colour is scattered more in the atmosphere and only blue colour reaches our eyes
blue colour rays have the highest wavelength that is why it gets scattered
sky has a tendency to absorb the colour of the ocean
blue colour is scattered more than the lights from other colours in the atmosphere
- 4. Multiple Choice
Why does danger signals are always red in colour?
Red colour has the least wavelength among all the seven colours
Red colour is most scattered by the environment
Red colour has the highest wavelength
Red colour moves the fastest in the any medium
- 5. Multiple Choice
Assertion (A): Rainbow forms after the rain. Reason (R): Sunlight gets refracted, dispersed and internally reflected in the molecules of water present in the atmosphere.
A and R both are true and R is the correct explanation of A
A and R both are true but R is not the correct explanation of A
A is true and R is false
A is false and R is true
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