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An optical device is constructed by fixing 3 identical convex lenses of focal lengths 10cm each inside a hollow tube at equal spacing of 30cm each. One end of the device is placed 10cm away from a point source. How much does the img shift when the device is moved away from the source by another 10cm?A)0B) 5cmC) 15cmD) 45cm

Aviral alok , 8 Years ago
Grade 12
anser 1 Answers
Rituraj Tiwari

Last Activity: 4 Years ago

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