17) The figure . represents the correct path of a light ray that incidents on semi circular piece made of glass with incidence angle equals to the critical angle (0.). c (a) (6) (c)

The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.