A student obtained a sharp image of the grills of a window on a screen using a concave mirror. His teacher remarked that for getting better results a well lit distant object (preferably the sun) should be focused on the screen. What should be done for this purpose?

Move the screen slightly away from the mirror

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Move the mirror slightly towards the screen

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Move the screen and the mirror away from the object

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Move the screen and the mirror towards the object

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Solution

The correct option is A Move the screen slightly away from the mirror
Screen is moved to get the focused image for a fixed object and mirror position.

The Correct Answer is A

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A student obtained a sharp image of the grills of a window on a screen using a concave mirror. His teacher remarked that for getting better results a well lit distant object (preferably the sun) should be focused on the screen. What should be done for this purpose?

The correct option is A Move the screen slightly away from the mirrorScreen is moved to get the focused image for a fixed object and mirror position. The Correct Answer is A

The correct option is A Move the screen slightly away from the mirror
Screen is moved to get the focused image for a fixed object and mirror position.

The Correct Answer is A