Oswaal Kerala SSLC Question Bank For Class 10 Physics (Part-2) With Complete Solutions For 2017 Examination
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COLOURS OF LIGHT
Dispersion of light Opaque and transparent objects Primary, secondary and complementary colours Colour of the sky
Rainbow Newton s colour disc Scattering of light Ultraviolet rays and infrared rays
Dispersion of Light QUICK REVIEW Visible light is classified into seven colours Violet, Indigo, Blue, Green, Yellow, Orange and Red VIBGYOR. Black is not the colour of light. It depicts the absence of light. White is also not the colour of light. It depicts the presence of all the colours in proper proportion.
TOPIC - 1 Dispersion of Light
TOPIC - 2 Spectrum and Scattering
In the absence of atmosphere, the sky appears to be dark. Light undergoes refraction when it enters the prism obliquely and when it comes out of the prism. The rays of light incident on the water droplets must be parallel to the line of vision. The rainbow appears bigger when position of the sun is near the horizon. Blue, Red, Green are primary colours of light.