Monday 12 December 2011

Answers : Question Section B 1

1.
(a)  To study the relationship between the distance of the source of light from
       the object and the size of the shadow

(b)  The distance of the source of light from the object

(c)  6 cm

(d)  The size of the shadow depends on the distance of the source of light 

       from the object./The closer the source of  light is to the object,
       the bigger the shadow will be.

2.
(a)  Group 1: Aluminium plate; Mirror; Silver plate
       Kumpulan 1: Kepingan aluminium; Cermin; Kepingan perak
       Group 2: Cardboard; Wooden block; Cloth
       Kumpulan 2: Kadbod; Bongkah kayu; Kain

(b)  Group 1: Good reflectors of light
       Kumpulan 1: Pemantul cahaya yang baik
       Group 2: Poor reflectors of light
       Kumpulan 2: Pemantul cahaya yang lemah

(c)  1. Smooth
           Licin
       2. Shiny
           Berkilat

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