what is aperture? #physics #optics #light #mirror #lens #camera #aperture

Ostium is an aperture present in

A convex lens forms the image of the sun at a distance of 10 cm . Where will be the image when (i) another lens of same power but dounle the aperture is used ? (ii) another lens of same aperture but double the power is used ?

Ostium is the aperture present in

Cloacal aperture is found in

For what distance is ray optics a good approximation when the aperture is 4 mm wide and the wavelength is 500 nm?

For what distance is ray optics a good approximation when the aperture is 2 mm wide and wavelength is 600 nm ?

For what distance is ray optics a good approximation when the aperture is 3 mm wide and the wavelength is 500 nm ?

For what distance is ray optics a good approximation when the aperture is 3 mm wide and wavelength is 500 nm ? (NCERT Solved Example)