An object, pointing upwards, is placed outside the focal point F2 of a thin diverging lens. A student is using the diagram shown above and the graphical method to predict the image of the arrow. He draws several rays from point Q to the lens. Which ray emerges on the right side of the lens to be horizontal, or parallel to the optical axis? a. the ray that passes through F2
b. the ray that passes through the center of the lens
c. the ray that is horizontal on the left side of the lens
d. the ray that is directed toward F1

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

false br

answer;

d. are made mostly of liquid

explanation;

-the general   composition and structure planets includes; they have a thick gas and liquid layer covering a small,solid core. mostly the gases are hydrogen and helium atmosphere and layers of liquid hydrogen. for instance neptune and uranus are examples of the outer planets, they have a core covered by ice and ammonia.

-neptune's atmosphere is hydrogen and helium with a bit of methane so there is no oxygen to breath and the interior is made up of frozen water and ammonia with a rock and iron core. thus, there is no liquid water or solid surface to survive.