An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. What is the distance from the
1 answer:
The distance from the image to the mirror is C) 2.5 cm
Explanation:
A mirror is an object that reflects the light coming from an object, creating an image of the object itself.
We can solve this problem by using the mirror equation, which states that:
where:
f is the focal length of the mirror
p is the distance between the object and the mirror
q is the distance between the image and the mirror
For the situation in this problem, we have:
f = 2.0 cm is the focal length of the mirror
p = 10.0 cm is the distance of the object from the mirror
Solving for q, we find:
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Answer:
Hope this helped :
Explanation:
When light passes from a medium with one index of refraction (m1) to another medium with a lower index of refraction (m2), it bends or refracts away from an imaginary line perpendicular to the surface (normal line). As the angle of the beam through m1 becomes greater with respect to the normal line, the refracted light through m2 bends further away from the line.
At one particular angle (critical angle), the refracted light will not go into m2, but instead will travel along the surface between the two media (sine [critical angle] = n2/n1 where n1 and n2 are the indices of refraction [n1 is greater than n2]). If the beam through m1 is greater than the critical angle, then the refracted beam will be reflected entirely back into m1 (total internal reflection), even though m2 may be transparent!
