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What is half life of radioactive element...

What is half life of radioactive element?

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What is meant by half life of a radioactive element?

The half-life of a radioactive element is 8 d . If the initial mass of the element be 1 g then what amount of it will be disintegrated in 24 d ?

The half-life of a radioactive element is 1600 y. What part of the element will remain after 6400 y ?

The half-life of a radioactive element is 3 min. If the initial mass of the element be 1 g then after what time 0.0625 g of the element remains intact?

The half-life of a radioactive element is 10 hours. How much will be left after 4 hours in 1g atom sample?

The half-life of a radioactive element is 2h. If its initial mass be 5 g., then determine the residual mass of the element after 10 h.

What is half life period.

The half-life of a radioactive element is 1600 y. After what time 10% of that element present in any radioactive sample will disintegrate?

What is mean life of radioactive substance ? Show its relation with half-life .

The mean life of a radioactive element is 13 days. Initially a sample contains 1 g of this element . The mass of the element will be 0.5 g after a time of

UNITED BOOK HOUSE-MODEL PAPER SET-10-EXERCISE
  1. Derive an expression for electric field intensity at a point on the ax...

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  2. Prove that the electric field intensity at a point is equal to the neg...

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  3. The radii of two insulated metal spheres are 5cm and 10cm. 10 e.s.u. a...

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  4. Write down the dimensional Formula of resistivity.

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  5. In a circuit with resistance R, current is supplied with n identical c...

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  6. State and write the mathematical form of Biot-Savart's law with concer...

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  7. Find an expression for force on current carrying conductor in a unifor...

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  8. State and prove Ampere’s circuital law.

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  9. State Faraday’s laws in electromagnetic induction.

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  10. A coil of area 0.15 m^2 and 100 turns is placed perpendicular to a mag...

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  11. Show that the current leads the voltage by an angle of pi/2 in a purel...

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  12. An object is placed in fron of a concave mirror of focal length 20cm. ...

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  13. A convex lens produces a real image double the size of the object, whe...

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  14. Show.that the de-Broglie wavelength lambda of electrons of energy E is...

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  15. What is mass defect of a nucleus?

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  16. What is binding energy?

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  17. Define nuclear fission with one fission reaction.

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  18. What is half life of radioactive element?

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  19. What is short sightedhess or myopia? What are the causes of this defec...

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  20. The magnetic induction at a point 4cm from a long current carrying Wir...

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