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ScienceCLASS 7CBSE

answered 27 Mar 2026

A fire alarm usually detects smoke in case of fire. Where should such an alarm be placed in a room? (a) Near the door (b) On the floor (c) On any wall (d) On the ceiling

A.VERIFIED ANSWERfact-checked by tutors

Soln:

The answer is (d) On the ceiling

Explanation:

In case of fire, the air above the fire gets heated hence fire alarms are set on the ceiling

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