আলোর প্রতিসরণ ও প্রতিফলন

The sun appears red at the time of sun-rise and sun-set. This is because:

হানি নাটস

Among the constituent colours of white light, red has the longest wavelength and hence least frequency. Scattering is inversely proportional to wavelength .As a result, red is least scattered among all colours. So, red colour reaches our eyes while all other colours scatter away during sun-rise and sun-set.

আলোর প্রতিসরণ ও প্রতিফলন টপিকের ওপরে পরীক্ষা দাও