जब विमान उड़ता है तो आकाश में सफेद धारियाँ क्यों दिखाई देती हैं? जानते हैं इसके पीछे की दिलचस्प वजह।

When the aircraft passes through the sky, a white stripe is seen behind it. We often wonder what is this white belt and how is it made? There is an interesting science behind this white line seen in the sky. Let's know these white stripes o