Physics and Measurement [JEE (Based on NTA Guidelines-IIT Engg.) Advanced Physics]: Questions 1 - 3 of 12
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Question number: 1
» Physics and Measurement » Errors in Measurement
Appeared in Year: 2013
Question
Using the expression , one calculates the values of by measuring the corresponding angle in the range to . The wavelength is exactly known and the error in is constant for all values of . As increases from ,
Choices
| Choice (4) | Response | |
|---|---|---|
a. | the absolute error in remains constant. | |
b. | the fractional error in remains constant. | |
c. | the absolute error in increases. | |
d. | the fractional error in decreases. | |
Question number: 2
» Physics and Measurement » Dimensional Analysis and Its Applications
Appeared in Year: 2016
Question
A length – scale depends on the permittivity of a dielectric material. Boltzmann constant , the absolute temperature , the number per unit volume of certain charged particles, and the charge carried by each of the particles. Which of the following expression (s) for is (are) dimensionally correct?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
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b. |
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c. |
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d. |
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Question number: 3
» Physics and Measurement » Dimensions of Physical Quantities
Appeared in Year: 2013
Question
Match List and List and select the correct answer using the codes given below the lists:
| List-Ⅰ (Group I) | List-Ⅱ (Group II) |
|---|---|
(A) Thermal conductivity | (i)
|
(B) Boltzmann constant | (ii)
|
(C) Planck constant | (iii)
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(D) Coefficient of viscosity | (iv)
|
Choices
| Choice (4) | Response | |
|---|---|---|
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a. |
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b. |
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c. |
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d. |
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