Un rayo de luz que se propaga en el aire
entra en el agua con un ángulo de
incidencia de 45°. Si el indice de
refracción del agua es 1.33. Cuál es el
ángulo de refracción

A) 45°
B) 40°
C) 32°
D) 30°

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.