Q: 108 (CDS-I/2010)

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Consider the following statements
1. Clear sky appears blue due to poor scattering of blue wavelength of visible light.
2. Red part of light shows more scattering than blue light in the atmosphere.
3. In the absence of atmosphere, there would be no scattering of light and sky will look black.
Which of the statements given above is/are correct ?
question_subject: 
Science
question_year: 
2010
question_exam: 
CDS-I
stats: 
0,704,624,112,56,712,448