I got two questions about objects that absorb,reflect,and transmit light?

Question

1)An object which absorbs most of the light waves which strike it but reflects the blue frequency

A)is opaque and appears blue
B)is transparent and appears blue
C)is opaque and appears yellow
D)none of these

2)An object which absorbsmost of the light waves which strike it but transmits the blue frequency


A)is opaque and appears blue
B)is transparent and appears blue
C)is opaque and appears yellow
D)none of these

Please explain why also.

Answer 1

Question 1

The answer is A) opaque and appears blue

We see the reflected blue light and all others colors are absorbed and therefore do not reach the eye. The object is opaque because none of the light can pass through the object.

Question 2 can be tricky

If ALL of the blue light is transmitted and ALL of the other wavelengths are absorbed then you would have the following:

If you look through the object at a source the object will appear transparent and blue in color.

If you look at the object from the side that it is illuminated against a dark background, and if none of the light is reflected (either all absorbed or transmitted) the object will appear opaque and black. However if some of the light is reflected, as would almost certainly be the case, then the object would likely appear blue and opaque.

Basically, I can make the object in case 2 appear differently based on how I illuminate and view the object.

My best answer for (2) is (d) none of these, but probably not for the reason that the person posing the question had in mind.

Answer 2

If an object absorbs light and/or reflects it is opaque. (Opaque means light doesn't go through it--if the light is absorbed and/or reflected, that mean it is not passing through.) If the object reflects blue light, that is the light you see when looking at it, so the object will appear blue.

An object that transmits blue light will appear transparent and what you see through it will appear blue. Since the object is not stated to reflect any light, if you look at it without looking through it, it will look black.

Answer 3

for q 1 answer is a, an opaque object absorbs light since it appears solid, its blue not yellow because the color blue is the shortest wavelength, which means that all the longer wavelengths are absorbed i.e. yellow, red, green are all absorbed. Also whichever color an object appears means that it reflects light of that color, so since it reflects blue it will appear blue.
for q 2 answe4r is b, same reason about the absorption, and if it transmits the light it will be transparrent

Answer 4

All colours will hit the object. the object will absorb all light. However the object has a pigment in its surface that will absorb all colours except blue. Blue will be reflected into our eye and our brain will register seeing a blue object. Any colour absorbed in the object we will not see. Any colour reflected we will see. The first answer is A

In the second example all colour will hit the object. This time the material will allow light to pass through it. However the object has a pigment in its surface to absorb all colour except blue. Therefore the blue light will pass through (transmitted through) the material.
The second answer is B

Answer 5

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