RRB NTPC · प्रश्न 2
________ हा उष्मांतरणाचा प्रकार नाही. A. विसरण B. परावर्तन C. संवहन D. प्रारण
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.