The resolving power of acompound microscope can be increased if weA. use infrared light for illuminating the object under observation instead of visible lightB. use ultraviolet light for illuminating the object under observation instead of visible lightC. use an objective of large focal lengthD. none of the above

The resolving power of acompound microscope can be increased if weA. u

1.	The resolving power of acompound microscope can be increased if weA. use infrared light for illuminating the object under observation instead of visible lightB. use ultraviolet light for illuminating the object under observation instead of visible lightC. use an objective of large focal lengthD. none of the above
Answer» Correct Answer - B `R.P.` of microscope `= (2mu sin theta)/(lambda)`

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(a) An object is seen through a simple microscope of focal length `12cm`. Find the angular magnification produced if the image is formed at the near point of the eye which is `25cm` away from it. (b) A `10D` lens is used as a magnifier. Where should the object be placed to obtain maximum angular magnification for a normal eye (near point `= 25cm)`?

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