Choose the pair of words that carries the same relationship as the given pair:
LACTOMETER : PURITY OF MILK
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → Voltmeter : Potential difference
Given pair: Lactometer : Purity of milk → instrument : what it measures (a lactometer measures the density of milk, and the reading shows whether water has been mixed in)
| Pair | Relationship |
|---|---|
| (1) Binoculars : Birdwatcher | tool : user (binoculars are an instrument used by a birdwatcher) |
| (2) Voltmeter : Potential difference (answer) | instrument : what it measures (a voltmeter measures the voltage between two points in an electric circuit) |
| (3) Refrigerator : Cooling | appliance : its use (a refrigerator is used for cooling food) |
| (4) Torch : Battery | device : what runs it (a battery gives power to a torch) |