Railways PYQCBT 1 2016

RRB NTPC · प्रश्न 81

खालीलपैकी कोणत्या कारणामुळे ढग आकाशात तरंगतात? A. कमी तापमान B. कमी वेग C. कमी दाब D. कमी घनता

  1. A

  2. D

  3. C

  4. B

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.