Physics

The percentage error in a measurement of $$6\ mm$$ is $$0.1$$ %, the error is (in $$mm$$) :


ANSWER

$$0.006$$


SOLUTION

Since the error is $$0.1$$%
So, it's value is $$\dfrac{0.1}{100}\times 6=6\times {10}^{-3}=0.006\ mm$$

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 197
Enroll Now For FREE

Realted Questions

Q1 Single Correct Hard
An unknown quantity $$\displaystyle "\alpha"$$ is expressed $$\displaystyle \alpha =\frac{2ma}{\beta }\log \left ( 1+\frac{2\beta \varphi }{ma} \right )$$
where $$m$$ = mass, $$a$$ = acceleration, $$\displaystyle \varphi $$  = length 
The unit of $$\displaystyle \alpha  $$ should be 
  • A. meter
  • B. $$m/s$$
  • C. $$m/s$$$$\displaystyle ^{2}$$
  • D. $$s$$$$\displaystyle ^{-1}$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q2 Single Correct Medium
The equation of state of some gases can be expressed as $$\displaystyle \left(P + \frac {a}{V^{2}} \right) \displaystyle (V -b ) = RT $$, where $$P$$ is the pressure, $$V$$ is the volume, $$T$$ is the absolute temperature , and $$a$$, $$b$$ and $$R$$ are constants. The dimensions of '$$a$$' are
  • A. $$ [ML^5 T^{-2}] $$
  • B. $$ [ML^{-1} T^{-2}] $$
  • C. $$ [L^3] $$
  • D. $$ [L^6] $$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q3 Single Correct Medium
The dimension of the quantity $$\frac{1}{\in_0}\frac{e^2}{hc}$$ is (e = charge of electron, h = Planck's constant and c = velocity of light)
  • A. $$[M^{-1}L^{-3}T^2A]$$
  • B. $$[M^{0}L^{0}T^0A^0]$$
  • C. $$[ML^{-3}T^4A^{-2}]$$
  • D. $$[M^{-1}L^{-3}T^4A^2]$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q4 Subjective Medium
In van der Waal's equation $$\left(P+\dfrac{a}{V^{2}}\right)(V-b)=RT$$, what are the dimension of the constant of $$a$$ and $$b$$?

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer
Q5 Single Correct Medium
A length of  $$2\mathrm { m }$$  is measured using a metal tape at  $$10 ^ { \circ } \mathrm { C }$$  It is calibrated at a temperature  $$30 ^ { \circ }.$$ The  length is  $$\left( \alpha = 1 \times 10 ^ { - 4 } / 1 ^ { \circ } C \right)$$ 
  • A. $$2.004 \mathrm { m }$$
  • B. $$1.996 \mathrm { m }$$
  • C. $$1.004 \mathrm { m }$$
  • D. $$0.004 \mathrm { m }$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

View Answer