An Object Is Placed at a Distance of 41

question 41

Multiple Choice

An object is placed at a distance of 41.4 cm from a thin lens along the axis.If a real image forms at a distance of 36.1 cm from the lens,on the opposite side from the object,what is the focal length of the lens?

• A)19.3 cm
• B)38.8 cm
• C)10.6 cm
• D)282 cm
• E)6.21 cm

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