Question

10 Match the devices with their usage.
1.
Photometer
Answers
.
Measure the time interval
2.
Ammeter
3.
ii Measure the hotness or coldness of object
Thermometer iii Measure the flow of electric current
4.
Clock
iv
Measure the intensity of light
a.
1-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
. State whether True or False:
Digital clocks display time in numerals.​

Answer 1

Answer:

1) Photometer - Measure the intensity of light.

2) Ammeter - Measure the electric current.

3) Clock - Measure the time interval.

4) Thermometer - Measure the temperature.

Answer 2

Answer:

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