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3 years ago

What is the advantage of having nuclear physics?

Physics

2 answers:

rusak2 [61]3 years ago

6 0

Answer:

Nuclear physics is usually defined as a branch of physics that deals with the study of the atomic nucleus. This study of the atomic nucleus is the main key to the understanding of the creation and evolution of the universe. It helps in finding the answers that are related to nuclear physics and enhances the understanding capacity of an individual and also gains knowledge regarding any small or large topic.

This subject of nuclear physics is commonly used in the field of medical science and also used in the construction of weapons.

LekaFEV [45]3 years ago

5 0

Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions that hold them together in a space just a few femtometres (10-15 metres) across. It would be advantageous because we understand how atoms behave. Hope this answers the question.

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Gold has a density of 19300 kg/m3 calculate the mass of 0.02m3 of gold in kilograms

aev [14]

Answer:

The mass of 0.02 m³ of gold is 386 kilograms

Explanation:

Given:

The density of the gold = 19300 kg/m³.

The volume of gold = 0.02 m³

To Find:

The mass of gold = ?

Solution:

We know that density is mass divided per unit volume.

Thus mathematically

Density = \frac{mass}{volume}Density=

volume

mass

Rewriting in terms of mass ,

Mass = density * volume

On substituting the known values

Mass = 19300 kg/m³ * 0.02 m³

Mass = 386 kilograms

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This is not my answer I copied it but hope it helps:)

5 0

3 years ago

A patient comes to an outpatient laboratory for a physician-ordered fasting test. The patient indicates that he forgot that the

Fynjy0 [20]

The patient eating a candy bar instead of fasting for the test should be told

that the test results will be wrong and he may receive a wrong diagnosis.

The medical practitioners told him to fast when coming for a reason and he

forgetting and eating something means the objective for the test may have

been defeated.

This is why it's best to explain to him about the consequences of his actions

which is likely getting a wrong result and diagnosis.

Rad more on brainly.com/question/19622125

3 0

3 years ago

_____ = force × distance A. Work B. Velocity C. Pressure D. Momentum

gavmur [86]

Work is the correct answer

8 0

3 years ago

When light of wavelength 240 nm falls on a cobalt surface, electrons having a maximum kinetic energy of 0.17 eV are emitted. Fin

dusya [7]

Answer:

(a) 5.04 eV (B) 248.14 nm (c) $1.21\times 10^{15}Hz$

Explanation:

We have given Wavelength of the light \lambda = 240 nm

According to plank's rule ,energy of light

$E = h\nu = \frac{hc}{}\lambda$

$E = h\nu = \frac{6.67\times 10^{-34} J.s\times 3\times 10^{8}m/s}{ 240\times 10^{-9} m\times 1.6\times 10^{-19}J/eV}= 5.21 eV$

Maximum KE of emitted electron i= 0.17 eV

Part( A) Using Einstien's equation

$E = KE_{max}+\Phi _{0}$ , here $\Phi _0$ is work function.

$\Phi _{0}=E - KE_{max}$ = 5.21 eV-0.17 eV = 5.04 eV

Part( B) We have to find cutoff wavelength

$\Phi _{0} = \frac{hc}{\lambda_{cuttoff}}$

$\lambda_{cuttoff}= \frac{hc}{\Phi _{0} }$

$\lambda_{cuttoff}= \frac{6.67\times 10^{-34} J.s\times 3\times 10^{8}m/s}{5.04 eV\times 1.6\times 10^{-19}J/eV }=248.14 nm$

Part (C) In this part we have to find the cutoff frequency

$\nu = \frac{c}{\lambda_{cuttoff}}= \frac{3\times 10^{8}m/s}{248.14 \times 10^{-19} m }= 1.21\times 10^{15} Hz$

5 0

3 years ago

Which of the following is an example of an incline plane? a) lever b)gear c)pulley d)screw

slega [8]

Gear because each spike is a wedge shape that adds a mechanical advatage

3 0

3 years ago

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