in the given circuit of fig. 3 the cell p has an e. m.f.
1.5v and an unknown internal resistance r while
the cell q has an e. m.f. 2.0v and an internal
resistance 1ohm. if the ammeter reads 50ma, then

Why can blue light and yellow light combine to produce white light? question 17 options: they are both primary colors of light. they absorb each other's wavelengths. because blue, yellow, and white are primary colors. they are complementary colors of light.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places