Light is bent as it enters a tank of water from air. It is bent to a greater angle when it goes from air to a glass block. Predict what will happen as a beam of light is shone on a diamond.

Awater-filled u-tube manometer is used to measure the pressure inside a tank that contains air. the water level in the u-tube on the side that connects to the tank is 5 ft above the base of the tank. the water level in the other side of the u-tube (which is open to the atmosphere) is 2 ft above the base. determine the pressure within the tank.

During the past 150 years in the united states, how did energy consumption compare to population growth

Derive the lens makers formula for convex les?