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VMariaS [17]
3 years ago
14

Our lab microscope is parfocal. this means that __________. your lab microscope is parfocal. this means that __________. you can

easily discriminate two close objects as separate the slide should be almost in focus when changing to higher magnifications the specimen is clearly in focus at this depth
Biology
1 answer:
Liono4ka [1.6K]3 years ago
7 0

Answer:

The correct answer would be the slide should be almost in focus when changing to higher magnifications.

A parfocal lens is a type of lens which stays in focus when focal length or magnification is changed.

Parfocal microscopes are those in which objectives remain in focus even when magnification is changed for example, when it is switched from 10x to 40x, the object or slide remains at the focus.

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svetlana [45]

106.5N

Explanation:

Given parameters:

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Solution:

To solve this problem, we are going to apply newton's second law of motion. The law states that "the acceleration of a body is directly proportional to the force on the body and inversely proportional to the mass".

      F = m  x   a

F = force on body

m = mass of body

a = acceleration of the body

 But we know that acceleration is the change in velocity with time of a body;

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V is the velocity

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   F = \frac{75  x  4.4}{3.1}   = 106.5N

learn more:

Newton's law brainly.com/question/11411375

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2 years ago
Dona wrote the characteristics of two types of galaxies as shown below: Type A: Has a large flattened core Type B: Does not have
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Answer:

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