Physics
In figure (a) and (b), F1 and F2 are the two foci of thin lenses and AB is the incident ray. Complete the diagram to show the path of the ray AB after refraction through the lens.
(a) Figure a
(b) Figure b
Refraction Lens
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Answer
(a) Below ray diagram shows the path taken by the light ray AB after refraction through the thin convex lens:
(b) Below ray diagram shows the path taken by the light ray AB after refraction through the thin concave lens:
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Related Questions
The diagram below shows a lens as a combination of a glass slab and two prisms.
(i) Name the lens formed by the combination.
(ii) What is the line XX' called?
(iii) Complete the path of the incident ray AB after passing through the lens.
(iv) The final emergent ray either meets XX' at a point or appears to come from a point on XX’. Label it as F. What is this point called?
In figure (a) and (b), F1 and F2 are the positions of the two foci of thin lenses. Draw the path taken by the light ray AB after it emerges from each lens.
(a) Figure a
(b) Figure b
A ray of light parallel to the principal axis for a concave lens after refraction :
- passes through the second focus
- passes through the first focus
- appears to pass through the second focus
- appears to come from the second focus
Which of the ray diagrams are correct ?
1.
2.
3.
4.
