Four bulbs; red, green, white and blue (denoted by R , G , W and B respectively) are kept in front of a converging lens (as shown in the figure below). The observer sees that the green and blue bulbs are kept to the left of the principle ax

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Four bulbs; red, green, white and blue (denoted by R , G , W and B respectively) are kept in front of a converging lens (as shown in the figure below). The observer sees that the green and blue bulbs are kept to the left of the principle axis while the red and white bulbs are kept to the right of the principle axis. He also see that the red and green bulbs are above the principle axis while the white and blue bulbs a

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Since the images are being made on screen hence real. &#8756; Image will be inverted Also since blue and white are nearer to lens, hence their real image will be far from lens as compared to red and green Hence A.

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