Physics, 04.02.2021 14:00 mbonilla073

Which measurement can be made using a micrometer screw gauge? The turning effect of a spanner
The wavelength of microwaves
The diameter of a wire
The air pressure of a tyre

Answers: 3

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Answer from: babysune01

The measurement that should be used via using the micrometer screw gauge is option C. The diameter of a wire

What is a micrometer screw gauge?

It is the device that should be used for measuring the small dimension that should not be measured in an accurate way via the use of an vernier caliper. Also, it contains the high accuracy degree. So the measurement should not be done by turning effect, microwaves wavelength, tyre air pressure

Therefore, the option c is correct.

Learn more about diameter here: link

Answer from: tanya44737

C. The diameter of a wire

Explanation:

A micrometer screw gauge is a device used for the measurement of small dimensions which may not be measured accurately by the use of a vernier caliper, e.g diameter of a thin wire. it has a high degree of accuracy.

From the given option in the question, the measurement that can be made using a micrometer screw gauge is the diameter of a wire

Answer from: Quest

answer: the correct answer is 1.

explanation: there are various process in which a radioactive nuclei decays:

1) alpha decay: in this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. the mass number is reduced by 4 units.

$_a^z\textrm{x}\rightarrow _{a-2}^{z-4}+_2^4\alpha$

2) electron capture: in this decay process, a parent nuclei absorbs an electron and gets converted into a neutron. simply, a proton and an electron combines together to form a neutron. mass number does not change in this process.

$_a^z\textrm{x}+_{-1}^0\textrm{e}\rightarrow _{z-1}^a\textrm{y}$

3) gamma ray emission: it is a decay process in which an unstable nuclei gives excess energy by a spontaneous electromagnetic process. this decay releases $\gamma -radiations$ . this process does not change the mass number.

$_a^z\textrm{x}^*\rightarrow _a^z\textrm{x}+_0^0\gamma$

4) positron emission: it is a type of decay process, in which a proton gets converted to neutron and an electron neutrino. this is also known as $\beta ^+$ -decay. in this the mass number remains same.

$_a^z\textrm{x}\rightarrow _{z-1}^a\textrm{y}+_{+1}^0e$

from the above information, we see that only alpha-decay is producing a change in the mass number of the nucleus.

Answer from: Quest

Electoral current force mechanical advantage if the wheel and axle is 2 n and the output force is 20 n

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