The resolving power of a spectrometer consisting of a collimator, a grating and a telescope can be increased by

Question

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decreasing the slit-width of the collimator

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increasing the angular magnification of the telescope

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increasing the period of the grating

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decreasing the period of the grating

1.	The resolving power of a spectrometer consisting of a collimator, a grating and a telescope can be increased by
A.	increasing the angular magnification of the telescope
B.	increasing the period of the grating
C.	decreasing the period of the grating
D.	decreasing the slit-width of the collimator
Answer» D. decreasing the slit-width of the collimator

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