Modern Physics Quiz Level 2

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#1. Which of the following statements is true for Nuclear density?

it's directly proportional to the mass number

it's directly proportional to the mass number

it's directly proportional to the atomic number

it's directly proportional to the atomic number

it's independent of mass number

it's independent of mass number

both a and b

both a and b

#2. Which country has the most operational nuclear reactors on the planet?

France

France

Germany

Germany

Japan

Japan

United States

United States

#3. Which of the following nuclear disasters never happened?

Fukushima, Japan

Fukushima, Japan

Colorado, United States

Colorado, United States

Sellafield, United Kingdom

Sellafield, United Kingdom

Chernobyl, Ukraine

Chernobyl, Ukraine

#4. Which of the following is a correct statement?

One can predict radioactive decay by measuring the half life of the sample

One can predict radioactive decay by measuring the half life of the sample

Radioactive decay of a sample can't be predicted

Radioactive decay of a sample can't be predicted

Radioactive decay is a matter of chance

Radioactive decay is a matter of chance

Both B and C

Both B and C

#5. Which was the first radioactive element to be discovered?

Radium

Radium

Polonium

Polonium

Samarium

Samarium

Uranium

Uranium

finish

Answers of Modern Physics Quiz Level 2

1. it’s independent of mass number
2. United States
3. Colorado, United States
4. Both B and C
5. Uranium