A5.00 l air sample at a temperature of -50 °c has a pressure of 107 kpa. what will be the new pressure if the temperature is raised to 102 °c and the volume expands to 7.00 l?

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?