27 - Optics Questions Answers

Physics >> Optics >> Refraction Board Exam
Asked By: ANWARJAN 3 year ago
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The sun subtends an angle of 30 at the vertex of a concave mirror of radius of curvature 36m.Find the size of the image of the Sun

 

Asked By: ULLAS 3 year ago
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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
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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 >> Refraction IIT JEE

the quantity that doesnot change when a spherical mirror breaks

Asked By: KAVERITHOUTAM 3 year ago
is this question helpfull: 5 0 read solutions ( 2 ) | submit your answer
Physics >> Optics >> Refraction IIT JEE

the quantity that doesnot change when a spherical mirror breaks

Asked By: KAVERITHOUTAM 3 year ago
is this question helpfull: 1 0 submit your answer
Physics >> Optics >> Refraction IIT JEE
Asked By: KAVERITHOUTAM 3 year ago
is this question helpfull: 0 0 submit your answer

A man is walking under an inclined mirror at a constant velocity Vms-1s.along the X axis. If the mirror is inclined at an angle θ with the horizontal, then what is the velocity of the image?.

Asked By: AKSHITI PARASHAR 4 year ago
is this question helpfull: 6 6 submit your answer
How to calculate magnifying power?
Asked By: MONGVE TISSO 4 year ago
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