Question

10 Match the devices with their usage.
Answers
1.
Photometer
i
Measure the time interval
2.
Ammeter
ji
Measure the hotness or coldness of object
3.
Thermometer iii Measure the flow of electric current
4.
Clock
iv Measure the intensity of light
a. l-iv, 2-i, 3-ii,4-iii
b. 1- iii, 2-iv, 3-ii, 4-i
c. 1-iii, 2-iv, 3-i, 4-ii
d. 1-iv, 2-iii, 3-ii, 4-i​

Answer 1

Answer:

b is the correct option....

Hope it helps you!!