Thank you, however I am only allowed one lens. So currently, I have created a tunnel using aluminium foil with the lens at the very end. Therefore, my light bulb is approximately 20 cm away from the lens and the light rays emitted from the light bulb travel through the tunnel and refract upon...
1. I am supposed to create a device that can intensify the light directed at a light intensity sensor. A small light bulb will be 25 cm away from the light sensor. My device is required to be 20cm long and placed in between the light bulb and the light sensor in order to make the light that is...