In a circuit of two lamps in series, if the current through one lamp is 2 A, what is the
current through the other lamp?
Answer in units of A.
If 7 V is applied to the above circuit and the
voltage across the first lamp is 1 V, what is
the voltage across the second lamp?
Answer in units of V

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.