I need help with refraction?

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I need help with refraction?

1)An object is placed 72 cm away from a glass surface of a container having water. At what point will the object appear from the glass?

2)What is the fractional change in wavelength of light when it passes through water from glass?

2007-06-03 18:36:38 · 1 answers · asked by Akilesh - Internet Undertaker 7 in Science & Mathematics ➔ Physics

Take refractive index of water is 4/3 and refractive index of glass is 3/2

2007-06-03 18:41:26 · update #1

1 answers

i have no idea about 2 but if it refracts isnt it the same?

2007-06-03 18:39:04 · answer #1 · answered by Anonymous · 0⤊ 1⤋