Which dimensions will be the same as that of time?
Which dimensions will be the same as that of time?
Options
(a) LC (b) R/L (c) L/R (d) C/L
Correct Answer:
L/R
Explanation:
No explanation available. Be the first to write the explanation […]
Physical World and Measurement
The dimensional formula for Boltzmann’s constant is
The dimensional formula for Boltzmann’s constant is
Options
(a) ML²T⁻²θ⁻¹ (b) ML²T⁻² (c) ML⁰T⁻²θ⁻¹ (d) ML⁻²T⁻¹θ⁻¹
Correct Answer:
ML²T⁻²θ⁻¹
Explanation:
The Boltzmann constant has the dimension is. energy/temperature.
The same as entropy.
so, the […]
If the unit of force and length are doubled, then unit of energy will be
If the unit of force and length are doubled, then unit of energy will be
Options
(a) same (b) 2 times (c) 4 times (d) 8 times
Correct Answer:
4 times
Explanation:
No […]
If force is proportional to square of velocity, then the dimension of proportionality
If force is proportional to square of velocity, then the dimension of proportionality constant is
Options
(a) MLT⁰ (b) MLT⁻¹ (c) ML⁻²T (d) ML⁻¹T⁰
Correct Answer:
ML⁻¹T⁰
Explanation:
No explanation available. Be the […]
If X=3YZ², find dimensions of Y if X and Z are the dimensions of capacity
If X=3YZ², find dimensions of Y if X and Z are the dimensions of capacity and magnetic field(induction) respectively
Options
(a) M⁻³L⁻²T⁻⁴A⁻¹ (b) ML⁻² (c) M⁻³L⁻²T⁴A⁴ (d) M⁻³L⁻²T⁸A⁴
Correct Answer:
M⁻³L⁻²T⁸A⁴
Explanation:
No […]
The dimensional formula of Plancks’s constant and angular momentum are
The dimensional formula of Plancks’s constant and angular momentum are
Options
(a) ML²T⁻¹ and MLT⁻¹ (b) ML²T⁻¹ and ML²T⁻¹ (c) MT⁻¹ and MLT⁻¹ (d) ML²T⁻² and ML²T⁻¹
Correct Answer:
ML²T⁻¹ and ML²T⁻¹
Explanation: […]
1 Wb/m² equal to
1 Wb/m² equal to
Options
(a) 10⁴ G (b) 10² G (c) 10⁻² G (d) 10⁻⁴ G
Correct Answer:
10⁴ G
Explanation:
No explanation available. Be the first to write the explanation for […]
Parsec is the unit of
Parsec is the unit of
Options
(a) time (b) distance (c) frequency (d) angular acceleration
Correct Answer:
distance
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
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 […]