Colours
Quiz by Smitha Ragesh
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5 questions
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- Q1Which among the following are primary colours of lightMagenta,cyan,yellowYellow, orange, redRed , blue, greenBlack, blue , purple30s
- Q2How are secondary colours of light formed?By mixing Red, blue and greenBy removing white lightBy subtracting red blue and greenBy absorbing red, blue and green30s
- Q3How does a red filter work?It refracts all coloursIt absorbs all the colours other than redIt appears whiteIt reflects all colours30s
- Q4White light is composed of1 colour3 primary colors3 secondary colours7 colours30s
- Q5Why does a leaf appear greenIt reflects green and absorbs all the other coloursIt absorbs greenIt reflects all the seven coloursIt absorbs all the 7 colours30s