The unit of Stefan's constant is - Vidyadip

MCQ

The unit of Stefan's constant $\sigma$ is

A
$W m^{-2} K^{-1}$
B
$W m^2 K^{-4}$
✓
$W m^{-2} K^{-4}$
D
$W m^{-2} K^4$

✓

Answer

Correct option: C.

$W m^{-2} K^{-4}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Units, Dimensions and Measurement→Units, Dimensions and Measurement — all question types→JEE physics STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Two electric bulbs rated $P_1$ watt $V$ volts and $P_2$ watt $V$ volts are connected in parallel and $V$ volts are applied to it. The total power will be

A large number of water drops each of radius $r$ combine to have a drop of radius $R$. If the surface tension is $T$ and the mechanical equivalent of heat is $J$, then the rise in temperature will be

Two parallel glass plates are dipped partly in the liquid of density ' $d$ keeping them vertical. If the distance between the plates is ' $x$ ', surface tension for liquids is $T$ and angle of contact is $\theta$, then rise of liquid between the plates due to capillary will be

The vector projection of a vector $3 \hat{i}+4 \hat{k}$ on $y$-axis is

Transverse waves can propagate in

Carbon, silicon and Germanium atoms have four valence electrons each. Their valence and conduction band are separated by energy band gaps represented by $(E) .(E)$ and $(E)$ respectively. Which one of the following relationship is true in their case

The fact that the conductance of some metals rises to infinity at some temperature below a few Kelvin is called

Current in the circuit is wattless, if

If energy $(E)$, velocity $(v)$ and force $(F)$ be taken as fundamental quantity, then what are the dimensions of mass

A square loop of side $l$ is kept in a uniform magnetic field $B$ such that its plane makes an angle $\alpha$ with $\vec{B}$. The loop carries a current $i$. The torque experienced by the loop in this position is