Question

Match List-I with List-II:

LIST I		LIST II
A	Solarimeter	I	wind velocity
B	Anemometer	II	flow of liquid
C	Thermocouple	III	solar radiation
D	Venturi tube	IV	temperature

Choose the most appropriate option from those given below :

• A. (A)-(III); (B)-(I); (C)-(II); (D}-(IV)
• B. (A)- (III); (B)-(II); (C)-(I); (D)-(IV)
• C. (A)-(I); (B)-(III); (C)-(IV); (D)-(II)
• D. (A)-(III); (B)- (I); (C)-(IV); (D)-(II)

Answer 1

The Correct Option is D

To solve this matching problem, we need to correctly relate instruments with their respective measurements from List-I to List-II. Let's evaluate each one:

1. Solarimeter: A solarimeter measures solar radiation. Thus, it should be matched with III.
2. Anemometer: An anemometer is used to measure wind velocity. Therefore, it should be matched with I.
3. Thermocouple: A thermocouple is used for measuring temperature. Hence, it should be aligned with IV.
4. Venturi tube: The Venturi tube measures the flow of liquid. Therefore, it corresponds with II.

Given the above analysis, the correct matching is:

(A)-(III); (B)-(I); (C)-(IV); (D)-(II)

This option logically aligns each instrument with its primary function, making it the correct choice. Let's further justify why the other options aren't correct:

• Option 1: (A)-(III); (B)-(I); (C)-(II); (D)-(IV) - Incorrect because a thermocouple measures temperature, not the flow of liquid.
• Option 2: (A)-(III); (B)-(II); (C)-(I); (D)-(IV) - Wrong as an anemometer measures wind velocity and a thermocouple measures temperature.
• Option 3: (A)-(I); (B)-(III); (C)-(IV); (D)-(II) - Incorrect because a solarimeter does not measure wind velocity and an anemometer does not measure solar radiation.

Therefore, the correct answer is (A)-(III); (B)-(I); (C)-(IV); (D)-(II).