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Solve the all parts of following question given below:
Question: 4.7 cm long insect is perpendicular to the optical axis of a thin lens; the bug is 6.4 cm away from the lens. The lens forms an inverted image of the insect which is 0.8 cm long on a screen behind the lens.
Part A: How far behind the lens is the screen?
______________cm
Part B: What is the lens' focal length (pay attention to sign)?
__________________ cm
Part C: If the insect were instead only 0.22 cm from the lens, what would the image distance be (pay attention to sign)? _________________cm
Part D: Could the new image be projected on a screen?
I need help to solve the above problem and Use three significant figures.
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