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An emergency sign blends into its background. What problem will occur?

Answer and explanation

Correct answer: The sign will not be noticed quickly

The governing concept is contrast in visual communication, especially for safety messages. If an emergency sign and its background have similar colours or brightness, the boundary between them becomes difficult to see. People may therefore fail to notice the sign quickly, delaying an appropriate response. Option D states this consequence. The sign does not become more credible, its size does not automatically change, and a visual sign is not converted into an audio signal.

Related tags

Visual CommunicationEmergency SignsColour ContrastSafetyCommunication Skills IArtificial IntelligenceClass 9 Mcq

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