A cubical block of ice 32.0 cm on an edge is placed on a level floor over a speck of dust. Locate the image of the speck, when viewed from directly above, if the index of refraction of ice is 1.309. (Give your answer in cm below the upper surface of the ice.) answer in cm below the upper surface of the ice

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At small angles, refraction of light off a spherical surface of radius R between n, // mediums with indices of refraction n1 and nz n2 is given by n2 - n1 Object Image n1 n2 where o is the object's distance from the spherical surface and i is the image's dis- tance, and o is in medium n1 and i is in medium n2. If the spherical surface is curved in the direction depicted in the first diagram, then R> 0. If the surface is curved in the other direction, then R< 0. The sign conventions of o and i are the same as those of the thin lens equation that you're used to. (a) Now consider a thin lens of thick- ness d and index of refraction n surrounded by air (nair both surfaces need not have the same mag- 1). The radii Rị and R2 of nitude. By treating the lens as a combina- tion of two instances of the above equation what does 1 1 equal to? Answer in terms of the n, R1, and R2. Use the approximation that d is negligibly small to solve this problem. (b) The focal length of a lens is defined as…

A convex refracting surface has a radius of 15.0 cm. Light is incident in air (n = 1.0) and refracted into a medium with an index of refraction of 2.0. Light is incident parallel to the central axis. Where is the point where this light is focused, relative to the surface? Save for Later cm Submit Answer

A convex lens of focal length is 2/3 times R . find refractive index of the material

Question in the images

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Fill in the Blanks new TAh original 30° 4.0° -2.5 m- Figure 28-53 Problem 29. Type your answers in all of the blanks and submit Sunlight enters a room at an angle of 30.0° above the horizontal and reflects from a small mirror lying flat on the floor. The reflected light forms a spot on a wall that is 2.50 m behind the mirror (Figure 28-53). You place a notebook under the edge of the mirror nearest to the wall, tilting it upward by 4.00°. How much higher on the wall (Ah) is the spot? Type your answer here cm

help with image properties pls also all the units suppose to cm?

A ray of light travels from air into another medium, making an angle of 0, = 45.0° with the normal as in the figure below. Air Second medium (a) Find the angle of refraction 0, if the second medium is sodium chloride. (b) Find the angle of refraction 0, if the second medium is fluorite. (c) Find the angle of refraction 0, if the second medium is carbon tetrachloride.