Explanation:
Given that,
The box of oranges cannot exceed a mass of 10.222 Kg if we are sending to a friend by mail.
The mass of each orange is 198 g
We know that,
1 kg = 1000 g
10.222 kg = 10.222×1000 g
Let there are n number of oranges. So,
![n=\dfrac{10.222\times 1000\ g}{198\ g}\\\\n=51.92\approx 52\ \text{oranges}](https://tex.z-dn.net/?f=n%3D%5Cdfrac%7B10.222%5Ctimes%201000%5C%20g%7D%7B198%5C%20g%7D%5C%5C%5C%5Cn%3D51.92%5Capprox%2052%5C%20%5Ctext%7Boranges%7D)
It means she can send 52 oranges and it is maximum quantity.
Answer:
51 dioptre
Explanation:
u = Object distance = 2 cm
v = Image distance = 1 m
f = Focal length
Lens Equation
![\frac{1}{f}=\frac{1}{u}+\frac{1}{v}\\\Rightarrow \frac{1}{f}=\frac{1}{0.02}+\frac{1}{1}\\\Rightarrow \frac{1}{f}=\frac{1.02}{0.02}\\\Rightarrow \frac{1}{f}=51\\\Rightarrow f=\frac{1}{51}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7Bf%7D%3D%5Cfrac%7B1%7D%7Bu%7D%2B%5Cfrac%7B1%7D%7Bv%7D%5C%5C%5CRightarrow%20%5Cfrac%7B1%7D%7Bf%7D%3D%5Cfrac%7B1%7D%7B0.02%7D%2B%5Cfrac%7B1%7D%7B1%7D%5C%5C%5CRightarrow%20%5Cfrac%7B1%7D%7Bf%7D%3D%5Cfrac%7B1.02%7D%7B0.02%7D%5C%5C%5CRightarrow%20%5Cfrac%7B1%7D%7Bf%7D%3D51%5C%5C%5CRightarrow%20f%3D%5Cfrac%7B1%7D%7B51%7D)
Power of lens
![P=\frac{1}{f}\\\Rightarrow P=\frac{1}{\frac{1}{51}}\\\Rightarrow P=51\ D](https://tex.z-dn.net/?f=P%3D%5Cfrac%7B1%7D%7Bf%7D%5C%5C%5CRightarrow%20P%3D%5Cfrac%7B1%7D%7B%5Cfrac%7B1%7D%7B51%7D%7D%5C%5C%5CRightarrow%20P%3D51%5C%20D)
Power of the eye lens is 51 dioptre.
There are a few ways to do this- unfortunately different fields are better at it than others! Medical research is generally pretty good, some other fields likewise very good, some not as much.
Basically, though, what they do is use standadisation- they agree on the terminology, units of data, statistical measures, and so forth, that will be used in that scientific field. As much as possible, every scientist in the field uses those standards so everyone working in the field should recognise it.
For instance, in clinical trials, there is very good agreement worldwide on what the different metrics we use are- e.g. in cancer research, we usually want to know the 5-year survival rate (meaning the percentage of patients still alive 5 years after diagnosis). So anyone with the right training should be able to pick up a clinical trial report and understand what the results are and what the report is saying.
Answer:
The health hazard of directly going to these places to take direct readings and observations.
Explanation:
The Chernobyl accident was a catastrophic radioactive accidents, with an immediate fatal effect on some victims (mostly firemen and law enforcement officers). Scientists investigating the effects of the radiation left on the venues of the accident face a health risk if they intend to carry out a full scale on-field testing and experiment. Some of the relocated occupants of these places, that have long been relocated, have shown some health effect of the radiation. And scientist studying and working on these places for too long stand a risk of developing health complications if they are exposed to the radiations for too long.