Home
Class 12
PHYSICS
a. Give the expression for the radius of...

a. Give the expression for the radius of a nucleus.
b. What is the ratio of the nuclear radii of `""_(79)^(197)Au and ""_(47)^(107)Ag`?
c. What is the ratio of their nuclear densities ?

Text Solution

Verified by Experts

a. `R = R_0A^(1/3)`
b. `(R_1)/(R_2) = ((197)/(107))^(1/3) ~~1.23`
c. Ratio is one.
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION|2 Videos

  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise CONTINUOUS EVALUATION(ASSIGNMENT)|9 Videos

  • NUCLEI

    NEW JOYTHI PUBLICATION|Exercise PRACTICE PROBLEMS FOR SELF ASSESSMENT|18 Videos

  • MOVING CHARGES AND MAGNETISM

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|28 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NEW JOYTHI PUBLICATION|Exercise COMPETITIVE EXAM CORNER|26 Videos

Similar Questions

Explore conceptually related problems

Obtain approximately the ratio of the nuclear radii of the gold isotope ""_(79)^(197)Au and the silver isotope ""_(47)^(107)Ag .

What is the ratio of Bohr magneton to the nuclear magneton?

The radius of a nucleus is R. a. How is it related to atomic mass (A) ? b. Give the relation . c. What is the value of the constant of proportionality?

A. A device to store electrical charge is called a. Transformer b. Capacitor c. Resistor d. Inductor B. What is meant by energy density of a parallel plate capacitor? C. Derive an expression for the energy stored in a parallel plate capacitor. D. What is the area of the plates of a 0.1muF parallel plate air capacitor, given that the separation between the plates is 0.1 mm.

What is the ratio of nuclear densities of two nucleus having mass numbers in the ratio 1 : 2 ?

A piece of wire having a resistance R is cut into five equal parts. a) How will the resistance of each part of the wire change compared with the original resistance ? b) If the five parts of the wire are placed in parallel, how will the resistance of the combination change ? c) What will be the ratio of the effective resistance in series connection to that of the parallel connection ?

NEW JOYTHI PUBLICATION-NUCLEI-EVALUATION QUESTIONS AND ANSWERS
  1. a. What is positron ? " " b. What is its charge ?

    Text Solution

    |

  2. What is " " i. neutrino " " ii. antineutrino? Explain with exa...

    Text Solution

    |

  3. alpha-particles have a high ionizing power. Justify your answer.

    Text Solution

    |

  4. a. Are the equations of nuclear reactions such as ""(7)^(14)N + ""(2)^...

    Text Solution

    |

  5. Complete the nuclear reaction a. ""(5)^(10)B + ………… to ""3^7Li + ""(...

    Text Solution

    |

  6. a. Which is more stable , ""(3)^(7)Li " or " ""(3)^(4)Li ? b. Give...

    Text Solution

    |

  7. What is meant by chain reaction ?

    Text Solution

    |

  8. a. Are heavy nuclei stable or unstable ? b. Give reason.

    Text Solution

    |

  9. You are given two nuclides ""(3)^(7)X and ""(3)^(4)Y. a. Are they th...

    Text Solution

    |

  10. What is the ratio of nuclear densities of two nucleus having mass num...

    Text Solution

    |

  11. a. Give the expression for the radius of a nucleus. b. What is the r...

    Text Solution

    |

  12. a. Is free neutron a stable particle? b. Give reason.

    Text Solution

    |

  13. a. Give two radioacitve elements which are not formed in observable qu...

    Text Solution

    |

  14. What is positive beta - emission?

    Text Solution

    |

  15. The mechanism of beta emission can be stated as a neutron decay. Expla...

    Text Solution

    |

  16. Which raw material is used in a fast breeder reactor ?

    Text Solution

    |

  17. Heavy water is used as a moderator in a nuclear reactor. Give reason.

    Text Solution

    |

  18. What are a. Slow neutrons? b. thermal neutrons?

    Text Solution

    |

  19. a. What factors make a fusion reaction difficult to achieve ? b. Why...

    Text Solution

    |

  20. What is meant by self sustained nuclear reaction?

    Text Solution

    |