Physics

A student measure the thickness of an object by three different instruments and gets the result as 0.5 cm, 0.50 cm, 0.500 cm. State the one which is more accurate. 


ANSWER

$$0.500$$ cm


SOLUTION
Since, the measurement $$0.500 \ cm$$ gives the reading up to 3 decimel, thus $$0.500 \ cm$$ is the most accurate measurement among the given three measurements.
View Answers

You're just one step away

Create your Digital Resume For FREE on your name's sub domain "yourname.wcard.io". Register Here!


Single Correct Medium Published on 18th 08, 2020
Next Question
Questions 244531
Subjects 8
Chapters 125
Enrolled Students 199
Enroll Now For FREE

Realted Questions

Q1 Single Correct Medium
The unitless quantity is :
  • A. velocity gradient
  • B. pressure gradiant
  • C. displacement gradient
  • D. force gradient

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q2 Single Correct Medium
Dimensions of velocity gradient are same as that of
  • A. Time period
  • B. Frequency
  • C. acceleration
  • D. length

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q3 Single Correct Hard
The figure shows the position-time (x-t) graph of one-dimenstional motion of a body of mass $$0.4kg$$. The magnitude of each impulse is
  • A. $$0.2Ns$$
  • B. $$0.4Ns$$
  • C. $$0.8Ns$$
  • D. $$1.6Ns$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q4 Subjective Hard
The length, breadth, and thickness of a metal sheet are 4.234 m, 1.005 m, and 2.01 cm, respectively. Give the area and volume of the sheet to correct number of significant figures.

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q5 Single Correct Medium
1 $$\mathring{A}$$ is equal to :
  • A. $$0.1$$ nm
  • B. $$10^{-10}$$ cm
  • C. $$10^{-8} m$$
  • D. $$10^{-4} \mu$$.

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer