Question

Match the devices with their usage.
1.
Photometer
Ans
Ammeter
3.
i Measure the time interval
ii
Measure the hotness or coldness of object
Thermometer i Measure the flow of electric current
iv
Measure the intensity of light
.
Clock
1-iv, 2-i, 3-11,4-iii
1- iii, 2-iv, 3-ii, 4-i
1-iii, 2-iv, 3-i, 4-ii
1-iv, 2-iii, 3- ii , 4-i​

Answer 1

Answer:

Photometer

Ans

Ammeter

3.

i Measure the time interval

ii

Measure the hotness or coldness of object

Thermometer i Measure the flow of electric current

iv

Measure the intensity of light

.

Clock

1-iv, 2-i, 3-11,4-iii

1- iii, 2-iv, 3-ii, 4-i

1-iii, 2-iv, 3-i, 4-ii

1-iv, 2-iii, 3- ii , 4-i​

Explanation: