RRB NTPC · प्रश्न 81
खालीलपैकी कोणत्या कारणामुळे ढग आकाशात तरंगतात? A. कमी तापमान B. कमी वेग C. कमी दाब D. कमी घनता
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (B) D
स्पष्टीकरण
Clouds are made of tiny water droplets or ice crystals spread through a large volume of air, so their overall density is very low, close to that of the surrounding air, and rising air currents keep them up.