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    • radioactivity
    JEE Main - Chemistry
    if bi with atomic mass number 83 number 211 and undergoes bf deay, the resultant daughter nucleus will be a) bi - 209 c) tx - 207 b) p_{0} - 211 d) pa-208
    Asked by marthalamanoharreddy65 | 17 December, 2023, Dec:%i:Sunday
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    ICSE X - Physics
    What kind of nucleus becomes radioactive in nature  
    Asked by anjukumarisah730 | 16 March, 2023, Mar:%i:Thursday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    CBSE XII Science - Physics
    55Cs124(Z=55,A=124) has a half life of 30.8s. (a) If we have 7.8 microgram initially, how many nuclei are presents? How many are present 2 min later? (b) What is the activity at this time? (c) After how much time will the activity drop to less than about 1 per second?
    Asked by arjunsah797 | 16 May, 2022, May:%i:Monday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    NEET NEET - Physics
    ?Answer in detail, Thanks ??
    question image
    Asked by jhajuhi19 | 30 August, 2021, Aug:%i:Monday
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    CBSE XII Science - Physics
    how are we supposed to solve this question
    question image
    Asked by merinlijo_20002 | 17 June, 2020, Jun:%i:Wednesday
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    CBSE X - Science
    what is the speed of slow moving neutron
    Asked by pal581185 | 12 April, 2020, Apr:%i:Sunday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    NEET NEET - Physics
    A→→C(Half life=1 minute), B→→C(Half life=2minutes). At t=0, concentration of A was 4N? whereas concentration of B was N? at t=0. Find- (i) the concentration of C at the instance when concentration of A and B becomes equal. Also find(ii) the concentration of C at the instance when activity of A becomes equal to activity of B.
    Asked by patra04011965 | 30 March, 2020, Mar:%i:Monday
    ANSWERED BY EXPERT ANSWERED BY EXPERT
    JEE Main - Chemistry
    Pl give an easy solution..pl experts
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    Asked by jain.pradeep | 04 February, 2020, Feb:%i:Tuesday
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    NEET NEET - Physics
    please answer this
    question image
    Asked by Prashant DIGHE | 16 January, 2020, Jan:%i:Thursday
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    NEET NEET - Physics
    please answer this
    question image
    Asked by Prashant DIGHE | 14 January, 2020, Jan:%i:Tuesday
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