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baherus [9]
3 years ago
6

On a Vernier Caliper, how do you know which mark to use on the very top scale?

Physics
1 answer:
madreJ [45]3 years ago
4 0

<u>Answer</u>

To know where it starts we look where the zero mark of the vernier scale starts. The make just before reaching where the zero mark is marks the value to use<em>. </em>


<u>Explanation</u>

A vernier caliper is an instrument that is used to measure the diameter of small circular objects such as diameter of a wires, thickness of an iron sheet.

The objects to be measured is place between the jaws of the calipers.

The vernier scale has two scales, the vernier scale and the main scale which is the very top scale.<em> To know where it starts we look where the zero mark of the vernier scale starts. The make just before reaching where the zero mark is marks the value to use. </em>

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Answer:

frictonal force due to the surface of irregularities

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Explain the Big Bang and how it started
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The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now (and it could still be stretching).

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Your aunt just turned 50 and now needs glasses to read.
alexira [117]

Answer:

(a) hypermetropia

(b) convex lens

(c) 133.33 cm

(d) - 21.05 cm

Explanation:

(a) As she is old age, so she is suffering from hypermetropia.

(b) It is the defect due to which a person is not able to see the nearby objects clearly, so it is cured by convex lens of suitable focal length.

(c) Power, P = + 0.75 D

Focal length is the reciprocal of power of lens.

f = 1/ P = 1/0.75

f = 133.33 cm

(d) v = -25 cm, f = 133.3 cm

use lens equation

\frac{1}{f}=\frac{1}{v}-\frac{1}{u}

\frac{1}{133.3}=\frac{-1}{25}-\frac{1}{u}

\frac{-1}{u}=\frac{133.33+25}{133.33\times25}

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3 years ago
Is every section of the chromosome active? Why or why not?
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A microstate is a state of a physical system described at the finest level of detail. A macrostate is a state of a physical syst
podryga [215]

Answer:

a. A list of the names of each student present today. (microstate)

b. The number of students in attendance. (macrostate)

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You can fins the answer to this question by comparing the situation of the problem with a system of molecules with discrete energy.

Without importance of which molecules have a specific energy, but rather, what is the total amount of energy, you can get for different configurations of energy the same amount of the total energy. If different configurations of the energies of the molecules give you the same total energy of the system, you say that the macrostate is the same. In the case of the classroom, it does not matter how are distributed the students in the class, the total number of students is always the same. The macrostate is the same for what ever organization of the students in the class.

If you would interested in the energy of each molecules, you will obtain different configurations. In the case of the classroom. The names of the student will define a microstate because in this case there are many configurations.

a. A list of the names of each student present today. (microstate)

b. The number of students in attendance. (macrostate)

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