Wave 4.5

Wave 4.5

11th Grade

15 Qs

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Wave 4.5

Wave 4.5

Assessment

Quiz

Physics

11th Grade

Practice Problem

Hard

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Bluetooh is a wireless technology with a frequency range of 2.4 GHz to 2.48 GHz, used to send data between fixed and mobile devices over short distance. Based on the information above, bluetooh is type of...

Bluetooth adalah teknologi tanpa wayar dengan julat frekuensi antara 2.4 GHz hingga 2.48 GHz, digunakan untuk menghantar data antara peranti tetap dengan peranti mudah alih dalam jarak pendek. Berdasarkan maklumat di atas, bluetooh adalah sejenis ...

Radio wave/gelombang radio

Micro wave/gelombang mikro

infrared rays/sinar infra merah

ultraviolet rays/sinar ultra ungu

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram shows a grandmother is sitting on a rocking chair. The swing of the rocking chair will decrease and eventually stop.

Rajah menunjukkan seorang nenek yang duduk di atas kerusi goyang. Ayunan kerusi goyang akan berkurang dan akhirnya berhenti.

Resonance/Resonans

Damping/Pelembapan

Reflection of waves/Pantulan gelombang

Refraction of waves/Pembiasan gelombang

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the electromagnetic waves has the lowest frequency and the longest wavelength?

Gelombang electromagnet manakah mempunyai frekuensi paling rendah dan panjang gelombang paling besar?

Radio wave/Gelombang radio

Microwave/Gelombang mikro

Gamma ray/Sinar Gama

Ultraviolet ray/Sinar ultraungu

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A system has natural frequency of oscillation equal to f. An external force is supplying energy to the system to perpetuate the oscillations of the system. Resonance will occur in this system if energy is supplied to the system at a frequency equal to?

5 Satu sistem mempunyia frekuensi asli bersamaan f. Satu daya luar memberikan tenaga kepada sistem itu untuk meneruskan ayunan. Resonans akan berlaku dalam sistem itu jika tenaga diberikan kepada sistem itu pada frekuensi yang sama dengan?

f

2f

f/2

1/f

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Diagram shows a man can clearly hear a sound from a house at night.

Rajah menunjukkan seorang lelaki dapat mendengar dengan jelas bunyi dari sebuah rumah pada waktu malam.

Apakah fenomena gelombang yang terlibat? What is the waves phenomenon involved?

Reflection of waves/Pantulan gelombang

Diffraction of waves/Pembelauan gelombang

Waves interference/Interferens gelombang

Refraction of waves/Pembiasan gelombang

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the gap between wave barriers?

Apakah fungsi bukaan di antara penghadang ombak?

To reduce the velocity of the wave

Untuk mengurangkan halaju gelombang

To reduce wavelength

Untuk mengurangkan panjang gelombang

To reduce the amplitude of the wave

Untuk mengurangkan amplitud gelombang

To reduce the frequency of the wave

Untuk mengurangkan frekuensi gelombang

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which characteristic does not change after wave is reflected?

Ciri manakah tidak berubah selepas gelombang dipantulkan?

Velocity

Halaju

Amplitude

Amplitud

Direction of wave

Arah gelombang

Wavelength

Panjang gelombang

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