NEET 2017
- Exam
- NEET
- Year
- 2017
- Subject
- Physics
- Chapter
- Units and Dimensions
NEET 2017 · Physics · Units and Dimensions
A physical quantity of the dimensions of length that can be formed...
A physical quantity of the dimensions of length that can be formed out of and , where [ is velocity of light, is universal constant of gravitation, is charge & is permittivity of free space]:
Options
- A\dfrac{1}{{c}^{2}}{\left[G\dfrac{{e}^{2}}{4\pi{ε}_{0}}\right]}^{\dfrac{1}{2}}
- B{c}^{2}{\left[G\dfrac{{e}^{2}}{4\pi{ε}_{0}}\right]}^{\dfrac{1}{2}}
- C\dfrac{1}{{c}^{2}}{\left[\dfrac{{e}^{2}}{G4\pi{ε}_{0}}\right]}^{\dfrac{1}{2}}
- D
Correct answer
A. \dfrac{1}{{c}^{2}}{\left[G\dfrac{{e}^{2}}{4\pi{ε}_{0}}\right]}^{\dfrac{1}{2}}
Step-by-step solution
Let
......(i)
......(ii)
......(iii)
From (i), (ii) and (iii)
......(i)
......(ii)
......(iii)
From (i), (ii) and (iii)