A boron carbide rod is used in a nuclear reactor, because boron $(^{10} B)$ has a very:

low area of cross-section for capturing neutrons

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high area of cross-section for capturing neutrons

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low area of cross-section for capturing protons

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high area of cross-section for capturing electrons

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Solution

The correct option is B high area of cross-section for capturing neutrons
The wide absorption spectrum of boron makes it suitable also as a neutron shield. Larger the cross-sectional area more the number of thermal neutrons get captured in a nuclear reactor.

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A boron carbide rod is used in a nuclear reactor, because boron (10B) has a very:

The correct option is B high area of cross-section for capturing neutronsThe wide absorption spectrum of boron makes it suitable also as a neutron shield. Larger the cross-sectional area more the number of thermal neutrons get captured in a nuclear reactor.

A boron carbide rod is used in a nuclear reactor, because boron $(^{10} B)$ has a very:

The correct option is B high area of cross-section for capturing neutrons
The wide absorption spectrum of boron makes it suitable also as a neutron shield. Larger the cross-sectional area more the number of thermal neutrons get captured in a nuclear reactor.