Home
Class 12
PHYSICS
Statement: The neutrons are better init...

Statement: The neutrons are better initiater of nuclear reactions than protons, deutrons, deutrons or `alpha-` particles.
Explanation: Neutrons being uncharged particles, not exert repulsive forces form nucleus.

A

If both assertion and reason are correct and reason is a correct explanation o f the assertion.

B

If both assertion and reason are correct but reason is not the correct explanation o f assertion.

C

If assertion is correct but reason is incorrect.

D

If assertion is incorrect but reason is correct

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • NUCLEI

    MODERN PUBLICATION|Exercise COMPETITION FILE (MATCHING TYPE QUESTIONS)|1 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise COMPETITION FILE (MATRIX MATCH TYPE QUESTIONS)|2 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise COMPETITION FILE (MULTIPLE CHOICE QUESTIONS BASED ON A GIVEN PASSAGE/COMPREHENSION)|8 Videos

  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|13 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

Name the fundamental particle which exists in the nucleus with protons and neutrons.

Which one is unstable among neutron, proton,electron and alpha -particle?

Knowledge Check

  • Assertion : The neutrons are better initiators of nuclear reactions, than the protons, deutrons or alpha particles of the same energy. Reason :Neutrons are uncharged particles and hence, they are not repelled by positively charged nucleus.

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion
    B
    If both assertion and reason are true but reason is not the correct explanantion of the assertion
    C
    If assertion is true but reason is false
    D
    If the assertion and reason both are false

  • Assertion : Neutrons are better prohectiles than protons or alpha -particles. Reason : The neutrons being neutral does not experience repulsions form positively charged nucleus.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • Assertion : Neutrons are better projectiles. Reason : Neutrons move faster than protons or alpha particles.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not a correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

    • Similar Questions

    Explore conceptually related problems

    (A) Protons are better projectiles than neutrons. (R ) The neutrons being neutral do not experience repulsion from positively charged nucleus.

    S : Neutrons are best projectiles in nuclear reactions. E : Being neutral, they can penetrate through nucleus easily.

    Increasing order (lowest first) for the value of e/m for electron (e) proton (p),neutron (n) and alpha - particles is

    The increasing order of specific charge for electron (e) , proton (p) , neutron (n) and alpha particle (a) is

    Assertion (A) : Protons are better projectiles than neutrons. Reason (R) : The neutrons being neutral do not experience repulsion from positively charged nucleus.

    Home
    Profile