
FTIR
Quiz
•
Physics
•
University
•
Practice Problem
•
Medium
Wawan Irawan
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa kepanjangan dari FTIR dalam analisis spektroskopi?
Fourier Transform Infrared Spectroscopy
Fourier Transfer Infrared Radiation
Fourier Transformation in IR
Fourier Transmitted Infrared Record
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa fungsi utama dari FTIR dalam analisis pangan?
Mengukur suhu sampel
Menentukan struktur molekul dan komposisi kimia
Mengukur kadar kelembaban
Mengidentifikasi mikroba dalam sampel
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Spektrum inframerah yang dihasilkan oleh FTIR berasal dari interaksi antara radiasi inframerah dengan…
Proton dalam inti atom
Elektron di kulit terluar atom
Getaran antar molekul
Energi kinetik molekul
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FTIR biasanya digunakan untuk mendeteksi ikatan kimia dalam molekul. Jenis ikatan mana yang paling mudah dikenali oleh FTIR?
Ikatan hidrogen
Ikatan ionik
Ikatan kovalen polar dan non-polar
Ikatan metalik
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa keuntungan utama FTIR dibandingkan teknik spektroskopi lainnya?
Tidak membutuhkan sumber cahaya
Mampu memberikan spektrum lengkap dalam satu pengukuran
Tidak membutuhkan kalibrasi
Menggunakan suhu rendah untuk analisis
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa peran interferometer dalam instrumen FTIR?
Memanaskan sampel
Memisahkan panjang gelombang spesifik
Menghasilkan sinyal interferensi yang akan dianalisis
Mendeteksi keberadaan sampel
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Manakah dari berikut ini yang bukan merupakan keuntungan menggunakan FTIR?
Kecepatan analisis
Ketahanan alat yang tinggi
Resolusi tinggi pada spektrum
Sensitivitas tinggi terhadap molekul polar
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