Question

Optical Instruments 19.1 The Camera 19.2 The Human Eye 1. A photographer focuses his camera her focuses his camera on an object. Suppose the object moves closer to the To refocus, should the camera lens move closer to or farther from the detecto! camera. To refocu Explain. Two lost students wish to start a fire to keep warm while they wait to be rescued tudent is hyperopic, the other myopic. Which, if either, could use his glasses to focus the sun's rays to an intense bright point of light? Explain. 3. Suppose you wanted special glasses designed to let you see underwater, without a face mask. Should the glasses use a converging or diverging lens? Explain. le

Answer 1