Difficult
Choose the correct statement from the following.
- ANot all basic laws of physics are universal.
- BConservation laws have a deep connection with symmetries of nature.
- CThere are four to six fundamental forces in nature that govern the diverse phenomena of the world.
- DPhysics can generate new technology but new physics cannot come out from technology.
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Similar Questions
Identify the pair of physical quantities which have different dimensions.
Match the following physical quantities with their respective dimensional formulas:
$(A)$ Thermal conductivity $(i)$ $MLT^{-3}K^{-1}$ $(B)$ Boltzmann constant (ii) $M^0L^2T^{-2}K^{-1}$ $(C)$ Latent heat (iii) $ML^2T^{-2}K^{-1}$ $(D)$ Specific heat (iv) $M^0L^2T^{-2}$
| $(A)$ Thermal conductivity | $(i)$ $MLT^{-3}K^{-1}$ |
| $(B)$ Boltzmann constant | (ii) $M^0L^2T^{-2}K^{-1}$ |
| $(C)$ Latent heat | (iii) $ML^2T^{-2}K^{-1}$ |
| $(D)$ Specific heat | (iv) $M^0L^2T^{-2}$ |
$Erg \cdot m^{-1}$ can be the unit of measure for
Easy
View SolutionIf $\epsilon_0$,$E$,and $t$ represent the free space permittivity,electric field,and time respectively,then the unit of $\frac{\epsilon_0 E}{t}$ will be:
The unit of length convenient on the atomic scale is known as an $\mathring{A}$ and is denoted by $\mathring{A}: 1 \mathring{A} = 10^{-10} \, m$. The size of a hydrogen atom is about $0.5 \mathring{A}$. What is the total atomic volume in $m^{3}$ of a mole of hydrogen atoms?
Medium
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