Iklan

Iklan

Pertanyaan

Sebuah foton memiliki panjang gelombang 40Å menumbuk sebuah elektron dan arah foton menyimpang 60° dari semula. Tentukan panjang gelombang foton setelah tumbukan!

Sebuah foton memiliki panjang gelombang 40 Å menumbuk sebuah elektron dan arah foton menyimpang 60° dari semula. Tentukan panjang gelombang foton setelah tumbukan! 

Iklan

Y. Maghfirah

Master Teacher

Jawaban terverifikasi

Jawaban

panjang gelombang foton setelah tumbukan adalah 4 , 00121 × 10 − 9 m .

panjang gelombang foton setelah tumbukan adalah Error converting from MathML to accessible text..

Iklan

Pembahasan

Pembahasan
lock

Diketahui : Ditanya : Panjang gelombang foton setelah tumbukan Penyelesaian : Dengan menggunakan persamaan pergeseran Compton, maka: Jadi, panjang gelombang foton setelah tumbukan adalah 4 , 00121 × 10 − 9 m .

Diketahui :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row lambda equals cell 40 space text A end text equals 4 cross times 10 to the power of negative 9 end exponent space text m end text end cell row alpha equals cell 60 degree end cell row h equals cell 6 comma 6 cross times 10 to the power of negative 34 end exponent space text Js end text end cell row cell m subscript o end cell equals cell 9 comma 1 cross times 10 to the power of negative 31 end exponent space text kg end text end cell row c equals cell 3 cross times 10 to the power of 8 space text m/s end text end cell end table end stylebegin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row lambda equals cell 40 space A equals 4 cross times 10 to the power of negative 9 end exponent space straight m end cell row alpha equals cell 60 degree end cell row h equals cell 6 comma 625 cross times 10 to the power of negative 34 end exponent space Js end cell row cell m subscript o end cell equals cell 9 comma 1 cross times 10 to the power of negative 31 end exponent space kg end cell row c equals cell 3 cross times 10 to the power of 8 space straight m divided by straight s end cell end table end style  

Ditanya :

Panjang gelombang foton setelah tumbukan begin mathsize 14px style open parentheses lambda apostrophe close parentheses end style 

Penyelesaian :

Dengan menggunakan persamaan pergeseran Compton, maka:
begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell lambda apostrophe minus lambda end cell equals cell fraction numerator h over denominator m subscript o c end fraction left parenthesis 1 minus cos alpha right parenthesis end cell row cell lambda apostrophe minus left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis end cell equals cell fraction numerator 6 comma 6 cross times 10 to the power of negative 34 end exponent over denominator left parenthesis 9 comma 1 cross times 10 to the power of negative 31 end exponent right parenthesis left parenthesis 3 cross times 10 to the power of 8 right parenthesis end fraction left parenthesis 1 minus cos 60 degree right parenthesis end cell row cell lambda apostrophe end cell equals cell left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis plus fraction numerator 6 comma 6 cross times 10 to the power of negative 34 end exponent over denominator left parenthesis 9 comma 1 cross times 10 to the power of negative 31 end exponent right parenthesis left parenthesis 3 cross times 10 to the power of 8 right parenthesis end fraction left parenthesis 1 minus 1 half right parenthesis end cell row blank equals cell left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis plus left parenthesis 0 comma 0012 cross times 10 to the power of negative 9 end exponent right parenthesis end cell row blank equals cell 4 comma 0012 cross times 10 to the power of negative 9 end exponent space text m end text end cell end table end stylebegin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell lambda apostrophe minus lambda end cell equals cell fraction numerator h over denominator m subscript o c end fraction left parenthesis 1 minus cos alpha right parenthesis end cell row cell lambda apostrophe minus left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis end cell equals cell fraction numerator 6 comma 625 cross times 10 to the power of negative 34 end exponent over denominator left parenthesis 9 comma 1 cross times 10 to the power of negative 31 end exponent right parenthesis left parenthesis 3 cross times 10 to the power of 8 right parenthesis end fraction left parenthesis 1 minus cos space 60 degree right parenthesis end cell row cell lambda apostrophe end cell equals cell left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis plus fraction numerator 6 comma 625 cross times 10 to the power of negative 34 end exponent over denominator left parenthesis 9 comma 1 cross times 10 to the power of negative 31 end exponent right parenthesis left parenthesis 3 cross times 10 to the power of 8 right parenthesis end fraction left parenthesis 1 minus 1 half right parenthesis end cell row blank equals cell left parenthesis 4 cross times 10 to the power of negative 9 end exponent right parenthesis plus left parenthesis 0 comma 00121 cross times 10 to the power of negative 9 end exponent right parenthesis end cell row blank equals cell 4 comma 00121 cross times 10 to the power of negative 9 end exponent space text m end text end cell end table end style

Jadi, panjang gelombang foton setelah tumbukan adalah Error converting from MathML to accessible text..

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

13

Gea

Bantu banget

Iklan

Iklan

Pertanyaan serupa

Sebuah foton yang panjang gelombangnya 0,070 nm mengalami hamburan Compton dengan sudut 53° (sin 53°= 0,8). Berapa panjang gelombang?

31

5.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia