Question

10 Match the devices with their usage.
Answers
1. Photometer
Measure the time Interval
2. Ammeter
Measure the hotness or coldness of object
3. Thermometer iii Measure the flow of electric current
Clock
iv. Measure the intensity of light
correct answer say​

Answer 1

Answer:

1. Photometer — measure the intensity of light.

2. Ammeter — measure the flow of electric current.

3. Thermometer — measure the hotness and coldness.

4. Clock — measure the time interval.