Which of the following is a radioactive substance-UraniumRadiumThoriumAll of the above -160-

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Standard X

Physics

Uses of Radioactivity

Which of the ...

Question

Which of the following is a radioactive substance?

Uranium

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Radium

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Thorium

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All of the above

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Solution

The correct option is D All of the above
Substances which disintegrate (or decay) by the spontaneous emission of radiations are called the radioactive substances. Eq. Uranium, radium, polonium, thorium, actinium etc.

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Which of the following is a radioactive substance?

The correct option is D All of the above
Substances which disintegrate (or decay) by the spontaneous emission of radiations are called the radioactive substances. Eq. Uranium, radium, polonium, thorium, actinium etc.

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Which of the following is a radioactive substance?

The correct option is D All of the above Substances which disintegrate (or decay) by the spontaneous emission of radiations are called the radioactive substances. Eq. Uranium, radium, polonium, thorium, actinium etc.

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The correct option is D All of the above
Substances which disintegrate (or decay) by the spontaneous emission of radiations are called the radioactive substances. Eq. Uranium, radium, polonium, thorium, actinium etc.