Parsec is the unit of
Parsec is the unit of
Options
(a) time (b) distance (c) frequency (d) angular acceleration
Correct Answer:
distance
Explanation:
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Questions
Lumen is the unit of
Lumen is the unit of
Options
(a) illuminating power (b) luminous flux (c) luminous intensity (d) none of these
Correct Answer:
luminous flux
Explanation:
No explanation available. Be the first to write the […]
Unit of reduction factor is
Unit of reduction factor is
Options
(a) ampere (b) ohm (c) tesla (d) weber
Correct Answer:
ampere
Explanation:
Reduction factor K = i/tan θ .·. i = K tanθ The unit of current […]
SI unit of permittivity is
SI unit of permittivity is
Options
(a) C²m²N² (b) C²m⁻²N⁻¹ (c) C²m²N⁻¹ (d) C⁻¹m²N²
Correct Answer:
C²m⁻²N⁻¹
Explanation:
Coloumb force is F = (1/4πε₀) (q₁q₂/r²) Substituting the units of all, we get N = […]
The unit of thermal conductivity is
The unit of thermal conductivity is
Options
(a) Wm⁻¹K⁻¹ (b) JK⁻¹ (c) WmK (d) JK
Correct Answer:
Wm⁻¹K⁻¹
Explanation:
The heat current related to difference of temperature across the length l of a […]
Pascal-second has the dimensions of
Pascal-second has the dimensions of
Options
(a) force (b) energy (c) pressure (d) coefficient of viscosity
Correct Answer:
coefficient of viscosity
Explanation:
Pascal second (Ns/m²) is the unit of dynamic viscosity and its […]
The magnetic moment has dimensions of
The magnetic moment has dimensions of
Options
(a) [LA] (b) [L²A] (c) [LT⁻¹A] (d) [L²T⁻¹A]
Correct Answer:
[L²A]
Explanation:
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Dimensions of electrical resistance are
Dimensions of electrical resistance are
Options
(a) [ML²T⁻³A⁻¹] (b) [ML²T⁻³A⁻²] (c) [ML³T⁻³A⁻²] (d) [ML²T³A²]
Correct Answer:
[ML²T⁻³A⁻²]
Explanation:
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Dimensions formula for surface tension is
Dimensions formula for surface tension is
Options
(a) [M²L⁰T⁻²] (b) [ML⁰T⁻²] (c) [M⁰LT⁻¹] (d) [M²L²T⁻¹]
Correct Answer:
[ML⁰T⁻²]
Explanation:
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The number of significant figures in 0.06900
The number of significant figures in 0.06900
Options
(a) 5 (b) 4 (c) 2 (d) 3
Correct Answer:
4
Explanation:
No explanation available. Be the first to write the explanation for this question […]