Answer:
The oblique illumination is
used by the microscopists to resolve N. Spencrii in the Dark Field Condensers.
Explanation:
It was found that the use of oblique light was required to resolve the striae. Oblique illumination was the first step toward dark field microscopy. In dark field, light
seems to radiate from the specimen while all the rest of the field is black. Resolution is as good as that in bright field while contrast is enhanced.
In dark field microscopy, no
direct light from the condenser enters the objective lens. Only light
that is reflected, refracted or diffracted by the specimen enters the objective. The dark field condenser produces a circle of light. The
light is at an extremely oblique angle to the surface of the slide. This
oblique light comes to a focus on the specimen. It then diverges so
strongly that no direct light enters the objective. This type
of illumination is a hollow cone of light.
Answer:
Sociologists today employ three primary theoretical perspectives: the symbolic interactionist perspective, the functionalist perspective, and the conflict perspective.
Explanation:
Answer:
The KISS principle.
Keep It Simple, Stupid.
Explanation:
The KISS principle states that most systems work best if they are kept simple (not simpler) rather than if they are made complicated. That is to say that, simplicity should be the most important thing (key goal) in design, and unnecessary complexity should be avoided.
For example to persuade someone, use simple and clear language rather than complex big grammar(erudition). Use words that people will easily understand. Keep sentences short and straight to the point. Use straightforward sentence construction. If speaking to a group, speak so the person least likely to understand that way you would use the simplest of languages, thus making it possible for everyone to understand you.
An example of where the KISS principle was ignored:
A politician who wants to reform both tax and local services, and use the message, 'You pay your tax, we alleviate your poverty'.
Consequences: People may not comply because they don't understand what alleviation of poverty means.
An Example of where the KISS principle was followed and its consequences:
A marketer that works to find a simple message for promoting toothpaste and might come up with 'For a cleaner, brighter, happier life'.
Consequences: He will have more sells and more customers because everyone understands what he is talking about.
Answer:
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