Cahaya dan optik
Interactive Video
•
Science
•
8th Grade
•
Hard
Zarah Ahmad
FREE Resource
3 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Berdasarkan video, berapakah kelajuan cahaya?
300,000,000 m/s
3.0 x 10^5 m/s
3.0 x 10^6 m/s
3.0 x 10^7 m/s
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Merujuk kepada kelajuan cahaya dan bunyi, apakah fenomena yang diperhatikan semasa kejadian ribut petir?
Bunyi guruh didengari dahulu sebelum kilat.
Kelihatan kilat dan bunyi guruh pada masa yang sama.
Kilat dapat diperhatikan dulu sebelum bunyi guruh.
Kilat sahaja dapat diperhatikan tetapi tiada kedengaran bunyi guruh.
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Apakah yang akan berlaku apabila cahaya mengenai objek legap seperti payung?
Cahaya menembusinya dan menghasilkan kawasan yang terang
Cahaya di serap menyebabkan objek menjadi lebih panas.
Cahaya di halang, lalu membentuk bayang-bayang di belakang.
Cahaya dipantulkan, menjadikan objek kelihatan berkilat
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