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QUESTION 24 An object is placed

`11.0cm`

in front of a converging lens with a focal length of

`19.1cm`

. Use calculation to find the location (in

`cm`

) of the image. Normal format with

`3SF`

. QUESTION 25 In Young's double-slit interference experiment, it is found that the third dark fringe is at the angle of

`19.5@`

. If the separation between the double slits is

`1.0\times 10^(-3)mm`

, find the wavelength (in

`m`

) of the light source. Exponential format with

`3SF`

. QUESTION 26 In Young's double-slit interference experiment, it is found that the second bright fringe is at the angle of 14.10 . If the separation between the double slits is

`1.50\times 10^(-3)mm`

, find the wavelength (in

`m`

) of the light source. Exponential format with

`3SF`

.