Question

assertion (a): a rube goldberg machine is a complex chain reaction machine. reason (r): reuben lucius goldberg invented the rube goldberg machine. which of the following is true of the above statements? options: both (a) and (r) are true, and (r) is the correct explanation of (a). both (a) and (r) are true, but (r) is not the correct explanation of (a). (a) is false, and (r) is true. (a) is true, and (r) is false.

Explanation:

1. Analyze Assertion (A): A Rube Goldberg machine is indeed a complex chain - reaction machine that performs a simple task through a series of complicated steps. So (A) is true.
2. Analyze Reason (R): Rube Goldberg (Reuben Lucius Goldberg) was a cartoonist who popularized the concept of such machines through his cartoons, and he did not "invent" the machine in the traditional sense of inventing a physical machine. So (R) is false.

Answer:

(A) is true, and (R) is false.