Question

Assertion : The speedometer of an automobile measures the average speed of the automobile.
Reason : Average velocity is equal to total distance divided by total time taken.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (D)

The speedometer of an automobile measures the instantaneous speed of the automobile.
Average velocity $=\frac{Net displacement }{Time taken }$