Gelombang (waves)
Quiz
•
Physics
•
11th Grade
•
Practice Problem
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Medium
Cikgu Wanda
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 20 shows a simple pendulum oscillating at its natural frequency. The angle of oscillation is θ.
Rajah 20 menunjukkan bandul ringkas berayun pada frekeunsi aslinya. Sudut ayunan ialah θ.
The angle of oscillation, θ is increased. Which quantity is also increased?
Sudut ayunan θ ditambah. Kuantiti manakah yang turut bertambah?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 21 shows an incident plane wave reflected by a plane reflector.
Rajah 21 menunjukkan gelombang tuju bentuk satah dipantulkan oleh sebuah pemantul satah.
Which is correct characteristic of the reflected waves?
Ciri manakah yang betul bagi gelombang pantulan?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A tsunami is a series of water waves caused by the displacement of large volume of water. Usually occurs in the ocean or a large lake. This displacement of water is usually contributes to earthquakes, landslides, volcanic eruptions and glacier calving. It is found that the wavelength, λ, of tsunami becomes smaller towards the beach as shown in Diagram 22.
Tsunami adalah satu siri gelombang air yang disebakan oleh sesaran isipadu air yang besar, biasanya terjadi dalam lautan atau tasik besar. Sesaran air ini selalunya menumbang kepada kejadian gempa bumi, gelinciran tanah, letusan gunung berapi dan keruntuhan glasier. Didapati bahawa panjang gelombang, λ, tsunami semakin pendek apabila menghampiri pantai seperti yang ditunjukkan dalam Rajah 22.
It is due to
Ini disebabkan oleh
Pantulan gelombang
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 23 shows a water waves propagating from region X to region Y.
Rajah 23 menunjukkan gelombang air merambat dari kawasan X ke kawasan Y.
Which comparison is correct? Perbandingan manakah yang betul?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 24 shows two waves moving at the opposite direction ant meet at point R. Rajah 24 menunjukkan dua gelombang bergerak pada arah yang bertentangan dan bertemu pada titik R.
What is the resultant amplitude of the wave at point R?
Apakah amplitud paduan gelobang pada titik R?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 26.1 shows the use of thermometer in measuring a body temperature of an infant. Diagram 26.2 shows how the thermometer is used to detect heat in the ear. The probe tip detects the infrared radiation emitted by the ear drum and converts the radiation into temperature reading. Diagram 26.3 shows the electromagnetic spectrum.
Rajah 26.1 menunjukkan pengguanaan termometer ini dalam mengukur suhu badan bayi. Rajah 26.2 menunjukkan bagaimana termometer ini digunakan untuk mengesan haba dalam telinga. Pangkal kuar mengesan sinaran inframerah yang dipancarkan oleh gegendang telinga dan menukarkan sinaran itu dalam bacaan suhu. Rajah 26.3 menunjukkan spektrum elektromagnet.
Waves used is
Gelombang yang digunakan ialah
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wavelength is the distance between the points
Panjang gelombang ialah jarak antara titik-titik
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 5 shows a fisherman boat used sonar to determine a shoal of fish under sea
Rajah 5 menunjukkan bot nelayan menggunakan sonar untuk mengesan kumpulan ikan di dalam laut.
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Diagram 11 shows an interference of sounds wave emitted from two loud speakers which are coherence.
Rajah 11 menunjukkan satu interferens gelombang bunyi yang dihasilkan oleh dua pembesar suara yang koheren.
Destructive inteference occurs at
Interferens memusnah berlaku di,
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