Which of the following statements are correct? (i) Sky appears blue because of scattering of blue component of sunlight by water droplets suspended in air. (ii) The light coming from far off stars to the Earth, bends towards the normal. (iii) The lower part of bi-focal lens is a concave lens. (iv) Short sightedness is corrected by concave lens which Has a negative focal length

Myopia or Near-sightedness, Atmospheric Refraction and Its Effects, Blue Colour of Sky Due to Scattering | PadhAiPro

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MCQ (Single)Myopia or Near-sightednessAtmospheric Refraction and Its EffectsBlue Colour of Sky Due to Scattering

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