Consider two rooms of same size, a normal brick walled room and the other room full of mirrors. If the same lamp is placed in both the rooms, then which room will have more brightness and why? [2 MARKS]

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Solution

Each point: 1 Mark

1. The room with mirrors will be brighter due to multiple reflection of light.
2. In the normal room, light will be absorbed by the walls and further reflection will be negligible.

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Consider two rooms of same size, a normal brick walled room and the other room full of mirrors. If the same lamp is placed in both the rooms, then which room will have more brightness and why? [2 MARKS]

Each point: 1 Mark 1. The room with mirrors will be brighter due to multiple reflection of light. 2. In the normal room, light will be absorbed by the walls and further reflection will be negligible.

Each point: 1 Mark

1. The room with mirrors will be brighter due to multiple reflection of light.
2. In the normal room, light will be absorbed by the walls and further reflection will be negligible.