5 - Photometry Questions Answers

Physics >> Optics >> Photometry IIT JEE

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?

Asked By: SOUMYADEB BHATTACHARJEE 3 year ago
is this question helpfull: 2 0 submit your answer
Physics >> Optics >> Photometry IIT JEE
Asked By: SOUMYADEB BHATTACHARJEE 3 year ago
is this question helpfull: 0 0 submit your answer
Physics >> Optics >> Photometry IIT JEE

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?

Asked By: SOUMYADEB BHATTACHARJEE 3 year ago
is this question helpfull: 0 0 submit your answer
Physics >> Optics >> Photometry Medical Exam

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

Asked By: SARIKA 6 year ago
is this question helpfull: 4 0 submit your answer
Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

since only blue light is present so any other colour can not be the answer

Physics >> Optics >> Photometry Medical Exam

A RED ROSE IS KEPT IN BLUE LIGHT. WHAT COLOUR OF ROSE WILL BE SEEN?

Asked By: SARIKA 6 year ago
is this question helpfull: 4 1 submit your answer
Answer Strategies and trick by Manish sir (it will help you to solve it by yourself)

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.

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