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Chapter 7: Problem 1079

Read the assertion and reason carefully to mark the correct option out of the option given below. (a) If both assertion and reason are true and the reason is the correct explanation of the reason. (b) If both assertion and reason are true but reason is not the correct explanation of the assertion. (c) If assertion is true but reason is false. (d) If the assertion and reason both are false. (e) If assertion is false but reason is true. Assertion: Fahrenheit is the smallest unit measuring temperature. Reason: Fahrenheit was the first temperature scale used for measuring temperature. (A) \(a\) (B) b (C) \(c\) (D) d (E) e

Short Answer

Expert verified
\( \boxed{ \text{E}} \)

Step by step solution

01

Evaluate the Assertion

Fahrenheit is a unit for measuring temperature, but it is not the smallest unit. Celsius, Kelvin, and Fahrenheit scales all have different increments per unit, and Celsius and Kelvin have the same increment size, which is smaller than Fahrenheit's increment size. Therefore, the assertion is false.
02

Evaluate the Reason

Fahrenheit was the first temperature scale used for measuring temperature. This statement is true, as the Fahrenheit scale was developed in 1724 by physicist Daniel Fahrenheit, which was the first widely used temperature scale.
03

Identify the Relationship between Assertion and Reason

Since the assertion is false and the reason is true, there is no need to check if the reason correctly explains the assertion.
04

Select the Correct Option

Based on our analysis, the assertion is false, and the reason is true. So, the correct option is: (E) e

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