NOUN TMA Questions & Answers: PHY402 - Nuclear Physics

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PHY402

Question: The mass of an atom is determined by

Answer: the number of neutrons and protons

Question: An element X has two isotpes, Â2Â°â,Dâ,€X and â,Dâ,€Â2Â°X present in the ratio 3:1 . Calcculate the relative atomic mass of X is

Answer: 21.5

Question: The ability of the Ï’ ray to be able to dislodge electrons from both the outer and inner orbit are done through the following ways except

Answer: resistance effect

Question: The amount of energy released when 0.5kg of uranium is burnt completely. Take c = 3 x lOâD, msâd»âfl!

Answer: 4.5 x 10Â1âDfl J

Question: An element X has 127 neutrons and 82 electrons. Its atomic number is

Answer: 82

Question: The half life radioactve nuclide is 20 years . Calculate the fraction that remains after ten years.

Answer: 0.3465

Question: When atoms undergoes a beta decay, the atomic number of the nucleus

Answer: increase by one

Question: The decay constant of a certain radioactive nuclide is 0.0200mäD»a1f|. Calculate the fraction that would remain from the sample of 0.2kg of the substance after 3yrs

Answer: 0.95

Question: The mass number of an atom is

Answer: the sum of number of protons and neutrons in the nucleus of the atom

Question: The half-life of a radioactive nuclide is 28 years. Calculate the decay constant.

Answer: 2.475 x 10âd»Â2

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## NOUN TMA Questions & Answers: PHY402 - Nuclear Physics

### Re: NOUN TMA Questions & Answers: PHY402 - Nuclear Physics

Email: Solutions2tma@gmail.com

Whatsapp: 08155572788

[PHY402] The mass of an atom is determined by

the number of neutrons and protons

[PHY402] An element X has two isotpes, Â²Â°â‚â‚€X and â‚â‚€Â²Â°X present in the ratio 3:1 . Calcculate the relative atomic mass of X is

21.5

[PHY402] The ability of the Ï’ ray to be able to dislodge electrons from both the outer and inner orbit are done through the following ways except

resistance effect

[PHY402] The amount of energy released when 0.5kg of uranium is burnt completely. Take c = 3 x 10â¸ msâ»á¶¦

4.5 x 10Â¹â¶ J

[PHY402] An element X has 127 neutrons and 82 electrons. Its atomic number is

82

[PHY402] The half life radioactve nuclide is 20 years . Calculate the fraction that remains after ten years.

0.3465

[PHY402] When atoms undergoes a beta decay, the atomic number of the nucleus

increase by one

[PHY402] The decay constant of a certain radioactive nuclide is 0.0200mâ»á¶¦. Calculate the fraction that would remain from the sample of 0.2kg of the substance after 3yrs

0.95

[PHY402] The mass number of an atom is

the sum of number of protons and neutrons in the nucleus of the atom

[PHY402] The half-life of a radioactive nuclide is 28 years. Calculate the decay constant.

2.475 x 10â»Â²

Email: Solutions2tma@gmail.com

Whatsapp: 08155572788

Whatsapp: 08155572788

[PHY402] The mass of an atom is determined by

the number of neutrons and protons

[PHY402] An element X has two isotpes, Â²Â°â‚â‚€X and â‚â‚€Â²Â°X present in the ratio 3:1 . Calcculate the relative atomic mass of X is

21.5

[PHY402] The ability of the Ï’ ray to be able to dislodge electrons from both the outer and inner orbit are done through the following ways except

resistance effect

[PHY402] The amount of energy released when 0.5kg of uranium is burnt completely. Take c = 3 x 10â¸ msâ»á¶¦

4.5 x 10Â¹â¶ J

[PHY402] An element X has 127 neutrons and 82 electrons. Its atomic number is

82

[PHY402] The half life radioactve nuclide is 20 years . Calculate the fraction that remains after ten years.

0.3465

[PHY402] When atoms undergoes a beta decay, the atomic number of the nucleus

increase by one

[PHY402] The decay constant of a certain radioactive nuclide is 0.0200mâ»á¶¦. Calculate the fraction that would remain from the sample of 0.2kg of the substance after 3yrs

0.95

[PHY402] The mass number of an atom is

the sum of number of protons and neutrons in the nucleus of the atom

[PHY402] The half-life of a radioactive nuclide is 28 years. Calculate the decay constant.

2.475 x 10â»Â²

Email: Solutions2tma@gmail.com

Whatsapp: 08155572788

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