Anand’s burglar alarm would detect gentle opening of the door, triggering a clanging sound and dropping a water bag on the intruder’s head. His plan was to scare the thief and then call the police immediately after that.
Class 7 English Poorvi Chapter 1 My Brother’s Great Invention question answer
Class 7 English NCERT Poorvi Unit 3 Chapter 1 My Brother’s Great Invention solutions
Anand’s burglar alarm was designed to activate when someone opened the door softly, assuming a thief would be stealthy. His device included wires connected to a bell for noise and a water bag that would fall on the intruder. Anand believed the alarm would both alert the house and soak the thief, slowing them down. He even created a blueprint and explained his plan proudly to Anita, hoping this invention would finally prove successful and useful for home security.
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