Home
Class 12
PHYSICS
""4^9Be + ""2^4He to ""6^12C + P + Q a...

`""_4^9Be + ""_2^4He to ""_6^12C + P + Q`
a. What are 'P' and 'Q' ? `" "` b. What are the specialities of P ?

Text Solution

Verified by Experts

a. P - neutron `(""_0^1n)`
Q - energy
b. i. A free neutron is unstable.
ii. Except hydrogen, it is present in the nucleus of all elements.
iii. Being a chargeless particles, it is underflected by electric and magnetic fields.
iv. Energised neutron has high penetrating power.
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

Let O(0,0),P(3,4), and Q(6,0) be the vertices of triangle O P Q . The point R inside the triangle O P Q is such that the triangles O P R ,P Q R ,O Q R are of equal area. The coordinates of R are (a) (4/3,3) (b) (3,2/3) (c) (3,4/3) (d) (4/3,2/3)

Prove that Q to P -= P to - Q

A cubic solid is made of two elements P and Q. Atoms of Q are at the corners of the cube and P at the body - centre. What is the formula of the compound ? What is the coordination numbers of P and Q ?

If P = {4,3,2} and q={5} , form the sets P xx Q and Q xx P are these two products equal ?

If a ,b ,a n dc are in A.P. p ,q ,a n dr are in H.P., and a p ,b q ,a n dc r are in G.P., then p/r+r/p is equal to a/c-c/a b. a/c+c/a c. b/q+q/b d. b/q-q/b

P and Q are points on the ellipse x^2/a^2+y^2/b^2 =1 whose center is C . The eccentric angles of P and Q differ by a right angle. If /_PCQ minimum, the eccentric angle of P can be (A) pi/6 (B) pi/4 (C) pi/3 (D) pi/12

Prove that q to p -= ~p to ~q

If a and b are the roots of x^2 – 3x + p = 0 and c, d are roots of x^(2) – 12x + q = 0 , where a,b,c,d form a G.P Prove that (q+p):(q-p) = 17 : 15

NEW JOYTHI PUBLICATION-NUCLEI-EVALUATION QUESTIONS AND ANSWERS
  1. Match the following

    Text Solution

    |

  2. a. Is there any well defined boundary for a nucleus ? b. What is the...

    Text Solution

    |

  3. ""4^9Be + ""2^4He to ""6^12C + P + Q a. What are 'P' and 'Q' ? " ...

    Text Solution

    |

  4. The radius of a nucleus is R. a. How is it related to atomic mass (A...

    Text Solution

    |

  5. You have ""6^11C, ""6^12C and ""6^13C. a. What are these nuclides ? ...

    Text Solution

    |

  6. We have ""(19)^(39)K and ""(17)^(37)Cl a. What are these nuclides ? ...

    Text Solution

    |

  7. There are two nuclides ""(10)^(22)Ne and ""(11)^(22)Na. a. What are...

    Text Solution

    |

  8. What are Isomers?Give examples.

    Text Solution

    |

  9. a. What does the graph represent ? b.What is the importance of this...

    Text Solution

    |

  10. In certain isobars the number of protons of one isobar is equal to the...

    Text Solution

    |

  11. Z,A and M represent the atomic number, mass number and rest mass of a ...

    Text Solution

    |

  12. ""(Z)^(A)X to ""(Z + 1)^(A)Y + ""(-1)^(0)e + barupsilon + "energy" a...

    Text Solution

    |

  13. A nuclear event is shown in the diagram. a. Name the nuclear phen...

    Text Solution

    |

  14. The radioacitve decay of an element is shown in the graph. a. What i...

    Text Solution

    |

  15. Mention the different units of radioactivity.

    Text Solution

    |

  16. Why are neutrons very effective as bombarding particles?

    Text Solution

    |

  17. ""(72)^(180)A overset(a)(rarr)B overset(beta)(rarr)C overset(alpha)(ra...

    Text Solution

    |

  18. From the above table we can see that the ratio of their atomic masses ...

    Text Solution

    |

  19. a. What is positron ? " " b. What is its charge ?

    Text Solution

    |

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

    Text Solution

    |