5 - Photometry Questions Answers
A point sources of light is located along the axis of a cone of vertex angle 'Ө' at a distance 'd' from the tip.The inside surface of the cone is reflective.A receiver/detector is located inside the cone as shown. The receiver consists of all points inside the cone that are at a distance 'r' from the tip.The fraction of light emitted by the source hits the receiver will be?
A point sources of light is located along the axis of a cone of vertex angle 'Ө' at a distance 'd' from the tip.The inside surface of the cone is reflective.A receiver/detector is located inside the cone as shown. The receiver consists of all points inside the cone that are at a distance 'r' from the tip.The fraction of light emitted by the source hits the receiver will be?
IN D QUES OF RED ROSE IN WHICH WE HAVE TO FIND COLOR WHY THE COMPLEMENT COLOR OF BLUE i.e ORANGE &RED WILL B SEEN
since only blue light is present so any other colour can not be the answer
A RED ROSE IS KEPT IN BLUE LIGHT. WHAT COLOUR OF ROSE WILL BE SEEN?
Since it is red rose it means it will absorb all colours other than red so in blue light it will be seen as black.