Please someone help me as soon as possible!! Use the following formula: 1/do + 1/di = 1/f

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Please someone help me as soon as possible!!
Use the following formula: 1/do + 1/di = 1/f

Please Someone Help Me As Soon As Possible Use The Following Formula 1 Do 1 Di 1 F 1 (496.5 KiB) Viewed 34 times

Floure Precautions: 1. Repeat the experiment a number of times, 2. Make sure the image is in clearest focus possible, 3. Screen and lens are vertical 4. Remember the do and di are interchangeable. | | | |-| y= b mo To call Graphing: do/ cm di/ cm 119cm 1/do cm 1/di cm 22cm 16.sum IS.S 24 31cm o =0 6 m = -lom Make a plot and find the value of the focal length of the lens!! Question 1: An object is placed 40cm from a diverging lens of focal length 50cm. find the position and nature of the image. Question 2: A concave lens of focal length 10cm produces an image which is half the size of the object. How far away is the object from the lens? Find also the position and nature of the image.