Download 5 - MODUL CEMERLANG FIZIK 2015 - T5 - Ms 59 - 125...
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MODUL CEMERLANG FIZIK 2015
BAHAGIAN A 1. Rajah 6.1 dan 6.2 menunjukkan satu eksperimen dwicelah Young untuk menentukan panjang gelombang cahaya monokromatik. Rajah 6.1 menggunakan sumber cahaya berwarna biru manakala Rajah 6.2 menggunakan sumber cahaya berwarna merah. Diagram 6.1 and 6.2 shows an experiment to determine the wavelength of monochromatic light waves. waves. Diagram 6.1 used a blue light source sour ce and Diagram 6.2 used a red light source.
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MODUL CEMERLANG FIZIK 2015
Pemisahan dua celah, a, dan jarak antara dwicelah dengan skrin dalam kedua-dua rajah, D, dalam kedua-dua rajah adalah malar. Pinggir-pinggir gelap dan cerah dihasilkan setelah cahaya merambat melalui celah. The separation between two slits, a, and the distance between the double slit and the screen, D, in both diagrams are constant. The dark and bright fringes are produced after the light passes through the slit. a) Apakah yang dimaksudkan dengan cahaya monokromatik? What is meant by monochromatic light? ...........................……………………………………………………………………………… [1 mark] b) Bandingkan jarak gelombang cahaya merah dan cahaya biru. Tanda (√ ) jawapan yang betul dalam petak yang disediakan. Compare the wavelength of red light and blue light. Tick ( √ ) the correct correct answer in the box provided. provided. Jarak gelombang cahaya merah > Jarak gelombang cahaya biru Wavelength of red light > wavelength of blue light Jarak gelombang cahaya merah
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