Home
Class 10
PHYSICS
Irene Curie and F. Joliot discovered in...

Irene Curie and F. Joliot discovered ______ in the year 1934.

A

natural radioactivity

B

fluorescence

C

Artificial radioactivity

D

hydrogen bomb

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (FILL IN THE BLANKS)|165 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE : IF FALSE CORRECT THE STATEMENT)|22 Videos

  • NUCLEAR PHYSICS

    SURA PUBLICATION|Exercise GOVERNMENT EXAM QUESTIONS & ANSWERS|2 Videos

  • MODEL QUESTION PAPER HIGHER LEVEL

    SURA PUBLICATION|Exercise Subjective Questions|25 Videos

  • OPTICS

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWER (Higher Order Thinking Skills (HOTS))|6 Videos

Similar Questions

Explore conceptually related problems

In which year didi Hahn and Mietner discover the phenomenon of neutron-induced fission of uranium ? Option 1938 Option 2 1950 Option 3 1945 Option 4 1928

At the given point x_(0) discover whether the given function is continuous or discontinuous citing the reasons for your answer: x_(0)=1,f(x)={{:((x^(2)-1)/(x-1)", "xne1),(2", "x=1):}

At the given point x_0 discover whether the given function is continuous or discontinuous citing the reasons for your answer. x_0=1,f(x)={:{((x^2-1)/(x-1),x ne 1),(2,x=1):}

At the given point x_(0) discover whether the given function is continuous or discontinuous citing the reasons for your answer: x_(0)=3,f(x)={{:((x^(2)-9)/(x-3)", ""if "xne3),(5", ""if "x=3):}

At the given point x_0 discover whether the given function is continuous or discontinuous citing the reasons for your answer. x_0=3,f(x)={:{((x^2-9)/(x-3),x ne 3),(5,x=3):}

(i) Noble Laureate (ii) Person who worked on fungus. (iii) Discoverer of queen of drugs. Using the given clues answer the questions. (a) Who is in the picture? (b) Name the fungus in which he did his experiment. (c) Why he was awarded Noble prize? (d) Which is called queen of drugs? (e) What will be the action of the drug on bacterial cell? (f) When was the queen of drugs discovered?

Match III {:("1. Soddy fajan", "(a) Natural radiioactivity"), ("2. Irene curie", "(b) Displacement law"), (3. "Henry Bequerel", "(c) Mass energy equivalence"),(4. "Albert einstein" , "(d)artificial radioactivity"):}

SURA PUBLICATION-NUCLEAR PHYSICS-ADDITIONAL QUESTIONS & ANSWER (CHOOSE THE CORRECT ANSWER)
  1. Complete the reaction : ""90Th^(234) to ""91Pa^(234) +?

    Text Solution

    |

  2. Gamma rays are extensively used to destroy affected cells.

    Text Solution

    |

  3. Irene Curie and F. Joliot discovered in the year 1934.

    Text Solution

    |

  4. Which of the following is used to detect the presence of block in blo...

    Text Solution

    |

  5. Radio iostope is used in the treatment of cancer.

    Text Solution

    |

  6. Radio isotope is used to treat problems related to the thyroid gland.

    Text Solution

    |

  7. Radio is used to locate brain tumors.

    Text Solution

    |

  8. Radio is used in the treatment of skin diseases .

    Text Solution

    |

  9. Radio-carbon dating can be done with .

    Text Solution

    |

  10. Radio-carbon dating is used to .

    Text Solution

    |

  11. In molecular biology, radioiostope are used in surgical instruments .

    Text Solution

    |

  12. Roentgen ( R) is the unit to measure .

    Text Solution

    |

  13. The ionization potential for second He electron is

    Text Solution

    |

  14. The ionization potential for Lithium ion is

    Text Solution

    |

  15. R is the safe limit of radiation exposure per week .

    Text Solution

    |

  16. Radioactive materials are kept in thick-walled containers.

    Text Solution

    |

  17. Controlled chain reaction is seen in

    Text Solution

    |

  18. In Uncontrolled chain reactions, the number of fission producing neutr...

    Text Solution

    |

  19. The energy required to remove an electron in a hydrogen atom from n=10...

    Text Solution

    |

  20. Chain reaction is possible only when the loss of neutrons is the neut...

    Text Solution

    |