Can someone spell the word hi for me I’ll give you 30 points
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When light travels from a medium with higher refractive index to a medium with lower refractive index, the critical angle is the angle of incidence above which light is reflected only (no refraction occurs), and the value of this critical angle is given by
where n2 is the refractive index of the second medium and n1 is the refractive index of the first medium.
In this problem, the first medium is the glass (
), while the second medium is oil (
), therefore the critical angle is given by
where n2 is the refractive index of the second medium and n1 is the refractive index of the first medium.
In this problem, the first medium is the glass (
A mirror equation is an equation that relates object distance and image distance to focal length. The distance of the image from the mirror will be -3 cm.
<h3>What is a mirror equation?</h3>A mirror equation is an equation that relates object distance and image distance to focal length. It's sometimes referred to as a mirror formula.
The given data in the problem is;
f is the focal length = -4. 5 cm
u is the object distance=12. 0 cm
v is the image distance =?
Hence the distance of the image from the mirror will be -3 cm.
To learn more about the mirror equation refer to the link;
https://brainly.in/question/31545592