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question_answer1) The position of object for which the image formed is virtual, erect and larger than object is
question_answer2) Find the position of image of a concave mirror which produces three times magnified image when the object is placed at a distance of 10 from the concave mirror.
question_answer3) Which one of the following is the correct lens formula?
question_answer4) Which color is used for the danger signal?
question_answer5) The small opening through which light enters into our eyes is:
question_answer6) How can we cure the defect of hypermetropia?
question_answer7) Spliting of white light into its constituent color when it passes through the glass prism is called
question_answer8) The extent to which image of an object can be magnified is called:
question_answer9) The space between eye lens and retina is filled with liquid called:
question_answer10) Which cell of the eyes helps us differentiate between the different colors?
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