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Energi foton sinar gamma adalah . Jika  dan , panjang gelombang sinar gamma tersebut adalah...meter.

Pertanyaan

Energi foton sinar gamma adalah begin mathsize 14px style 10 to the power of 8 space eV end style. Jika begin mathsize 14px style h equals 6 comma 6 cross times 10 to the power of negative 34 end exponent space Js end style dan begin mathsize 14px style c equals 3 cross times 10 to the power of 8 space straight m divided by straight s end style, panjang gelombang sinar gamma tersebut adalah...meter. begin mathsize 14px style left parenthesis 1 space eV equals space 1 comma 6 cross times 10 to the power of negative 19 end exponent right parenthesis end style 

  1. begin mathsize 14px style 12 comma 375 cross times 10 to the power of negative 15 end exponent space meter end style 

  2. begin mathsize 14px style 12 comma 375 cross times 10 to the power of negative 10 end exponent space meter end style 

  3. begin mathsize 14px style 12 comma 375 cross times 10 to the power of negative 8 end exponent space meter end style 

  4. begin mathsize 14px style 12 comma 375 cross times 10 to the power of negative 5 end exponent space meter end style 

  5. begin mathsize 14px style 12 comma 375 cross times 10 to the power of negative 2 end exponent space meter end style  

Pembahasan Video:

Pembahasan Soal:

begin mathsize 14px style E equals fraction numerator h c over denominator lambda end fraction lambda equals fraction numerator h c over denominator E end fraction lambda equals fraction numerator 1 comma 6 cross times 10 to the power of negative 34 end exponent cross times 3 cross times 10 to the power of 8 over denominator 10 to the power of 8 cross times 1 comma 6 cross times 10 to the power of negative 19 end exponent end fraction bold italic lambda bold equals bold 12 bold comma bold 375 bold cross times bold 10 to the power of bold minus bold 15 end exponent bold space bold m end style 

 

Jadi, panjang gelombang sinar gamma adalah  begin mathsize 14px style bold A bold. bold space bold 12 bold comma bold 375 bold cross times bold 10 to the power of bold minus bold 15 end exponent bold space bold m end style 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 April 2021

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