Multiple Choice Questions on An alpha particle contains ........ for General Studies (Level 1) Preparation

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Multiple Choice Questions

An alpha particle contains ........

General Science (Easy) Physics
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    An alpha particle contains

    4 positive charge and 2 mass unit

    Incorrect Answer

    2 positive charge and 4 mass unit

    Correct Answer

    2 positive charge and 2 mass unit

    Incorrect Answer

    4 positive charge and 4 mass unit

    Incorrect Answer
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    Explanation:

    Alpha-particle

    • It is a helium atom emitted by radioactive substances. Its atomic number is 2 and its atomic mass is 4.  Alpha particle is identical to the nucleus of the helium-4 atom, consisting of two protons and two neutrons bound together. Thus it has a mass of four units and a positive charge of two.

    Hence option 2nd is correct.

    By: Amit Kumar
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    Let's Discuss

    Noorbir Singh

    answer will not be 2nd option 2positive charge and 4 mass unit?

    0 0 reply
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