Two thin lenses have a combined power of + 9D. When they are separated by a distance of 20 cm, their equivalent power becomes 
Their individual powers (in dioptre) are
a)
4, 5
b)
3, 6
c)
2, 7
d)
1, 8
Two thin lenses have a combined power of + 9D. When they are separated by a distance of 20 cm, their equivalent power becomes Their individual powers (in dioptre) are
a)
4, 5
b)
3, 6
c)
2, 7
d)
1, 8
Question ID - 152886 | SaraNextGen Top Answer
Two thin lenses have a combined power of + 9D. When they are separated by a distance of 20 cm, their equivalent power becomes Their individual powers (in dioptre) are
a)
4, 5
b)
3, 6
c)
2, 7
d)
1, 8
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Two thin lenses have a combined power of + 9D. When they are separated by a distance of 20 cm, their equivalent power becomes |
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|
a) |
4, 5 |
b) |
3, 6 |
c) |
2, 7 |
d) |
1, 8 |
1 Answer
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