Railways PYQCBT 1 2016

RRB NTPC · प्रश्न 2

________ हा उष्मांतरणाचा प्रकार नाही. A. विसरण B. परावर्तन C. संवहन D. प्रारण

  1. B

  2. A

  3. D

  4. C

उत्तर दाखवा आणि स्पष्टीकरण

उत्तर: (A) B

स्पष्टीकरण

Heat travels by conduction, convection and radiation (and diffusion of particles also carries heat). Reflection is the bouncing back of waves such as light from a surface; it is not a mode of heat transfer.