DISPERSION & SCATTERING OF LIGHT

Which of the following colours is NOT found in the spectrum of white light?

Antara berikut, yang manakah TIDAK ditemui dalam spektrum cahaya putih?

• Black

  Hitam

• Yellow

  Kuning

• Indigo

  Indigo

• Violet

  Ungu

Which phenomenon shows the effect of the dispersion of light?

Fenomena yang manakah menunjukkan kesan penyebaran cahaya?

• Blue sky

  Langit biru

• Formation of rainbow

  Pembentukan pelangi

• Red sunset

  Matahari terbenam merah

• Stage lightning

  Pencahayaan pentas

The splitting of white light into its component is called

Pemisahan cahaya putih kepada komponennya dipanggil

• reflection

  pantulan

• refraction

  pembiasan

• dispersion

  penyebaran

• scattering

  penyerakan

Diagram above shows the dispersion of white light in a prism.

Rajah di atas menunjukkan penyebaran cahaya putih pada prisma.

What are the colours at R and T?

Apakah warna pada R dan T?

• R - Violet / Ungu

  T - Red / Merah

• R - Red / Merah

  T - Indigo / Indigo

• R - Red / Merah

  T - Blue / Biru

• R - Indigo / Indigo

  T - Violet / Ungu

Diagram above shows an observer looking at the sky at noon.

Which colour of the sunlight disperses THE MOST?

Warna cahaya matahari yang manakah PALING banyak diserakkan?

• Blue

  Biru

• White

  Putih

• Green

  Hijau

• Yellow

  Kuning

Which of the following statement refers to the phenomenon of blue sky?

Antara pernyataan berikut, yang manakah merujuk kepada fenomena langit biru?

• Sunlight produces more blue light

  Cahaya matahari menghasilkan banyak cahaya biru

• The cloud reflects more blue light

  Awan memantulkan banyak cahaya biru

• The blue light is scattered by the particles in the atmosphere

  Cahaya biru diserakkan oleh zarah-zarah dalam atmosfera

• The blue light is dispersed by the particles in the atmosphere

  Cahaya biru disebarkan oleh zarah-zarah dalam atmosfera

Predict the colour of the sky when it is seen from the Moon.

Jangkakan warna langit apabila dilihat daripada bulan.

• Red

  Merah

• Blue

  Biru

• White

  Putih

• Black

  Hitam

How does the scattering of light occurs?

Bagaimana penyerakan cahaya berlaku?

• The light is refracted in all directions by particles in the air

  Cahaya dibiaskan ke semua arah okeh zarah-zarah di udara

• The light is reflected in all directions by particles in the air

  Cahaya dipantulkan ke semua arah okeh zarah-zarah di udara

• The light is refracted in one directions by particles in the air

  Cahaya dibiaskan pada satu arah okeh zarah-zarah di udara

• The light is reflected in one directions by particles in the air

  Cahaya dipantulkan pada satu arah okeh zarah-zarah di udara