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Give any two differences between the interference pattern obtained in Young's double-slit experiment and a diffraction pattern due to a single slit.
Draw an intensity distribution graph in case of a double-slit interference pattern.
In Young's double-slit experiment using monochromatic light of wavelength λ, the intensity of light at a point on the screen, where path difference is λ, is K units. Find the intensity of light at a point on the screen where the path difference is λ/6.
Draw a labelled ray diagram of a compound microscope showing image formation at least distance of distinct vision. Derive an expression for its magnifying power.
A telescope consists of two lenses of focal length 100 cm and 5 cm. Find the magnifying power when the final image is formed at infinity.
Why are multi-component lenses used for both the objective and the eyepiece in optical instruments ?
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