An object is placed 50 cm from a screen as shown in figure. A converging lens is moved such that line MN is its principal axis. Sharp images are formed on the screen in two positions
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An object is placed 50 cm from a screen as shown in figure. A converging lens is moved such that line MN is its principal axis. Sharp images are formed on the screen in two positions An object is placed 50 cm from a screen as shown in figure. A converging lens is moved such [...]