In any measurement the significant figures are______________?
Correct answer: D. All accurately known digits and the first doubtful digit
- A. All accurately known and all doubtful digits
- B. Only accurately known digits
- C. Only doubtful digits
- D. All accurately known digits and the first doubtful digit
Explanation
A measurement contains all digits known with certainty plus one final digit that is estimated or doubtful. Thus the first doubtful digit is included, whereas students choosing a incorrectly include every doubtful digit beyond the first.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Displacement and Velocity
Displacement is the directed change in position, while velocity is the rate of change of displacement and includes both magnitude and direction. The topic connects position-time and velocity-time graphs with average and instantaneous values, and distinguishes displacement from distance and velocity from speed.
Practise Force and Motion
1,416 free Force and Motion MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 16 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Displacement and Velocity questions
A digit zero in a measurement__________________?
Number of significant figures in 0.0173 is_________________?
Smaller the least count of the instrument more is the measurement________________?
Random errors can be reduced by_______________?
The uncertainty in a measurement may occur due to_______________?
The error in measurement may occur due to_________________?