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Magnification formula for compound microscope is
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If $f_{o}$ is 25 cm and $f_{e}$ is 5 cm, magnification of Galilean telescope will be
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Formula of magnification of astronomical telescope is
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Formula of simple magnification is
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Spectrometer may be used to find:
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Important part/s of spectrometer is/are:
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The focal length of objective lens of microscope is ______ that of eye-piece
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The magnifying power of a simple microscope can be increased if we use convex lens of:
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A lens of 5 cm focal length is to be used as a simple microscope. To get the clear image, the object should be placed at:
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The final image formed by a compound microscope is:
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The limit to which a microscope can be used to resolve details of an object, depends upon:
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In compound microscope, the focal length of the eye-piece and the objective respectively are:
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When high magnification is required, we should prefer:
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The working of compound microscope is based on the principle of:
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In the compound microscope, magnification is produced:
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The eye-piece of a compound microscope acts as:
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To mend the watches, the watch-makers make use of:
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When an angle $\alpha$ in a right angled triangle is very small, then approximately:
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A lens of 2 cm focal length is to be used as a magnifying glass. Its magnification is:
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Magnifying power of a simple microscope is:
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Maximum details of an object can be seen by a microscope when the object is illuminated by light of:
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Certain light of wavelength 600 nm is used to view an object under the microscope. If the aperture of its objective is 1.22 cm, then the limiting angle of resolution will be:
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In the formula R=N*m for the diffraction grading, N denotes:
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In the formula $\alpha_{min}=1.22 \frac{\lambda}{D}$, D denotes:
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