Draw a labelled ray diagram showing the formation of an image by a refracting telescope when the final image lies at infinity
Important Questions on Optical Instruments
What do you mean by the resolving power of a telescope? How does the resolving power of a telescope depend upon the wavelength of the light and the aperture of the objective lens?
Explain the statement; ‘Angular magnification of a compound microscope in normal use is .
With regard to an astronomical telescope of refracting type, state how will you increase its : (i) magnifying power (ii) resolving power.
Draw ray diagram for astronomical telescope in normal adjustment and write its magnifying power and length.
Draw ray diagram of compound microscope. Write its magnifying power in normal adjustment. If objective and eye-piece are interchanged, will it behave like a telescope? Explain.
