The mass of an -particle is

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Nuclear Fusion

The mass of a...

Question

The mass of an $α -$ particle is

less than the sum of masses of two protons and two neutrons

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equal to mass of four protons

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equal to mass of four neutrons

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equal to sum of masses of two protons and two neutrons

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Solution

The correct option is A less than the sum of masses of two protons and two neutrons
$α$ -particle is $_{2} H e^{4}$ . It contains two protons and two neutrons. As some mass is converted into binding energy, mass of $α$ particle is slightly less than the sum of the masses of two protons and two neutrons.

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The mass of an α−particle is

The correct option is A less than the sum of masses of two protons and two neutronsα-particle is 2He4. It contains two protons and two neutrons. As some mass is converted into binding energy, mass of α particle is slightly less than the sum of the masses of two protons and two neutrons.

The mass of an $α -$ particle is