MirrorsHELP: When is Back Coating on Plane Mirrors Undesirable?

  • Thread starter Jeng
  • Start date
In summary, back coating on plane mirrors is undesirable because it reduces the amount of light reflected by the mirror and can cause distortions in the reflected image. While back coating can have benefits for certain applications, it is not necessary for general use and can be removed, although this process can be time-consuming and costly. To determine if a mirror has back coating, one can hold a light source behind the mirror or check the manufacturer's information.
  • #1
Jeng
3
0
hi I am stumped on this question, and I am asking for help please.thanks.

when would such a back coating on plane mirrors be undesirable?
 
Physics news on Phys.org
  • #2
anyone?
 
  • #3


There are a few scenarios where a back coating on plane mirrors may be considered undesirable. One potential reason is if the back coating is not properly applied or is damaged, it can cause distortions or imperfections in the reflected image. This could be problematic for precise scientific experiments or for accurate visual observations.

Additionally, if the back coating is not reflective enough, it may decrease the amount of light that is reflected and therefore make the mirror less effective for its intended purpose. This could be an issue in low light situations or for uses where maximum reflection is necessary.

Furthermore, if the back coating is not durable, it may wear off over time or become scratched, which can also impact the quality of the reflected image. This could be a concern in high traffic areas or for mirrors that are frequently used.

In summary, a back coating on plane mirrors may be considered undesirable if it is not properly applied, not reflective enough, or not durable enough to maintain its reflective properties over time.
 

Related to MirrorsHELP: When is Back Coating on Plane Mirrors Undesirable?

1. Why is back coating on plane mirrors undesirable?

Back coating on plane mirrors is undesirable because it reduces the amount of light reflected by the mirror. This is because the coating absorbs some of the light instead of reflecting it, resulting in a dimmer image.

2. How does back coating affect the quality of the image reflected by a mirror?

Back coating can cause distortions in the image reflected by a mirror. This is because the coating can create uneven surfaces on the mirror, leading to a distorted or blurred reflection.

3. Can back coating be removed from a mirror?

Yes, back coating can be removed from a mirror. However, the process can be time-consuming and may require special equipment and chemicals. It is often more cost-effective to purchase a new mirror without back coating.

4. Are there any benefits to having back coating on a mirror?

Yes, back coating can have benefits for certain applications, such as reducing glare or improving the durability of the mirror. However, for general use, back coating is not necessary and can actually decrease the quality of the reflected image.

5. How can I tell if a mirror has back coating?

The easiest way to tell if a mirror has back coating is to hold a light source, such as a flashlight, behind the mirror. If you see a green or yellow tint on the mirror, it likely has back coating. Alternatively, you can also check the manufacturer's information or specifications for the mirror to see if it mentions back coating.

Similar threads

  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
2
Views
1K
  • Introductory Physics Homework Help
Replies
3
Views
3K
  • Introductory Physics Homework Help
Replies
7
Views
1K
  • Introductory Physics Homework Help
Replies
11
Views
845
  • Introductory Physics Homework Help
Replies
14
Views
2K
Replies
1
Views
764
  • Introductory Physics Homework Help
Replies
16
Views
542
  • Introductory Physics Homework Help
Replies
2
Views
2K
  • Introductory Physics Homework Help
Replies
5
Views
1K
Back
Top