Light Reflection and Light Refraction

Rajah menunjukkan situasi apabila cahaya lampu limpah diarahkan terus ke permukaan cermin. Apakah sifat cahaya yang ditunjukkan?

Diagram shows a situation when a spotlight is directed onto a mirror surface. What is the property of light shown in the situation?

• Cahaya bergerak lurus

  Light travels in a straight line

• Cahaya boleh dipantulkan

  Light can be reflected

• Cahaya boleh dibiaskan

  Light can be refracted

• Cahaya bergerak secara selari

  Light travels in parallel

Tags

NGSS.MS-PS4-2

Rajah menunjukkan rajah sinar apabila lampu disuluhkan ke cermin. Yang manakah merupakan rajah pantulan sinar yang betul?

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

Pemandu boleh melihat imej kenderaan di belakangnya tanpa menoleh ke belakang. Mengapa?

The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.

Why?

• Cahaya bergerak lurus

  Light travels in a straight line

• Cahaya dibiaskan

  Light is refracted

• Cahaya dipantulkan

  Light is reflected

• Cahaya bergerak melalui dua medium berbeza

  Light travels through two different mediums

Tags

NGSS.MS-PS4-2

Tandakan DUA alatan / peranti yang menggunakan prinsip pantulan cahaya dalam kehidupan.

Tick the correct of TWO devices which use the principle of light reflection in our daily lives.

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

Ariff memerhatikan seekor kucing di atas tembok dengan menggunakan periskop. Yang manakan merupakan sinar pantulan yang betul di dalam periskop? Tandakan / pada jawapan yang betul.

Ariff is watching a cat on a wall using a periscope. Which of the following is the correct reflected ray diagram in the periscope? Tick the correct answer.

• 
• 
• None

• None

Tags

NGSS.MS-PS4-2

Bilakah cahaya dibiaskan?

When does the light is refracted?

• Apabila cahaya bergerak lurus

  When light travels in a straight line

• Apabila cahaya melantun semula

  When light is bounced

• Apabila cahaya melalui dua medium berbeza

  When light travels in two different mediums

• Apabila cahaya tidak dapat menembusi objek legap

  When light cannot pass through an opaque object

Tags

NGSS.MS-PS4-2

Rajah menunjukkan keadaan sebatang sudu di dalam gelas berisi air. Apakah yang dapat diperhatikan?

Diagram shows the condition of a spoon in a glass of water.

What can be observed about the spoon?

• Sudu kelihatan bengkok.

  The spoon looks bent.

• Air lebih jernih.

  The water is clearer.

• Paras air meningkat.

  The water level rises.

• Cahaya dibiaskan.

  Light is refracted.

Tags

NGSS.MS-PS4-2

Apakah kesimpulan daripada pemerhatian kamu tentang gambar ini?

What is the conclusion from your observation in this picture?

• Cahaya bergerak lurus

  Light travels in a straight line

• Cahaya boleh dibiaskan

  Light can be refracted

• Cahaya boleh dipantulkan

  Light can be reflected

• Cahaya boleh melalui bahan lutsinar

  Light can pass through a transparent material

Tags

NGSS.MS-PS4-2

Apakah yang menyebabkan pelangi terbentuk?What causes the formation of a rainbow?

• Cahaya bergerak lurus

  Light travels in a straight line

• Cahaya dipantulkan

  Light is reflected

• Cahaya dibiaskan

  Light is refracted

• Cahaya melantun melalui dua medium berbeza

  Light in bounced in two different mediums

Tags

NGSS.MS-PS4-2

Pilih DUA situasi yang menunjukkan cahaya bergerak lurus. Tandakan / pada jawapan.

Choose TWO situation that shows light travels in a straight line? Tick the correct answers.

• A

• B

• C

• D

• E

Tags

NGSS.MS-PS4-2