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primary 5 | Maths
| Percentage
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Date Posted: 3 years ago
Views: 265
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My suggested answers: hope it helps.
Concept: detect the reflected light
A dark room will ensure that the light detected is the reflected light instead of any other light sources
Concept: to increase the amount of light detected, you can either increase the amount of light or bring the detector closer to light source.
a) Position the light sensor closer to the material
b) Use a torch light with a stronger light intensity
Concept: detect the reflected light
A dark room will ensure that the light detected is the reflected light instead of any other light sources
Concept: to increase the amount of light detected, you can either increase the amount of light or bring the detector closer to light source.
a) Position the light sensor closer to the material
b) Use a torch light with a stronger light intensity
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