Which of the following represents the fundamental forces of nature?
- AGravitational force; Coulomb's force; Strong surface tension force; Weak Vander Waal's force
- BGravitational force; Electromagnetic force; Strong viscous force; Weak nuclear force
- CGravitational force; Magneto static force; Strong nuclear force; Weak frictional force
- DGravitational force; Electromagnetic force; Strong nuclear force; Weak nuclear force
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Similar Questions
If the gravitational force,electromagnetic force,strong nuclear force,and weak nuclear force are represented by $GF, EMF, SNF$,and $WNF$ respectively,then which of the following represents the correct order of their relative strengths?
Easy
View SolutionWhich of the following pairs of physical quantities possess the same dimension?
Match List-$I$ with List-$II$:
List-$I$ List-$II$ $(A)$ Young's Modulus $(I)$ $[ML^{-1}T^{-1}]$ $(B)$ Torque $(II)$ $[ML^{-1}T^{-2}]$ $(C)$ Coefficient of Viscosity $(III)$ $[M^{-1}L^3T^{-2}]$ $(D)$ Gravitational Constant $(IV)$ $[ML^2T^{-2}]$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
| $(A)$ Young's Modulus | $(I)$ $[ML^{-1}T^{-1}]$ |
| $(B)$ Torque | $(II)$ $[ML^{-1}T^{-2}]$ |
| $(C)$ Coefficient of Viscosity | $(III)$ $[M^{-1}L^3T^{-2}]$ |
| $(D)$ Gravitational Constant | $(IV)$ $[ML^2T^{-2}]$ |
Choose the correct answer from the options given below:
Estimate the average mass density of a sodium atom assuming its size to be about $2.5 \; \mathring{A}$. (Use the known values of Avogadro's number and the atomic mass of sodium). Compare it with the mass density of sodium in its crystalline phase: $970 \; kg \; m^{-3}$. Are the two densities of the same order of magnitude? If so,why?
Medium
View SolutionMatch the physical quantities given in List-$I$ with dimensions expressed in terms of mass $(M)$, length $(L)$, time $(T)$ and electric current $(A)$ given in List-$II$.
List-$I$ List-$II$ $(a)$ Torque $(i)$ $[M^{-1}L^{-2}T^4A^2]$ $(b)$ Gravitational constant (ii) $[M^1L^2T^{-1}]$ $(c)$ Capacitance (iii) $[M^{-1}L^3T^{-2}]$ $(d)$ Planck’s constant (iv) $[M^1L^2T^{-2}]$
| List-$I$ | List-$II$ |
| $(a)$ Torque | $(i)$ $[M^{-1}L^{-2}T^4A^2]$ |
| $(b)$ Gravitational constant | (ii) $[M^1L^2T^{-1}]$ |
| $(c)$ Capacitance | (iii) $[M^{-1}L^3T^{-2}]$ |
| $(d)$ Planck’s constant | (iv) $[M^1L^2T^{-2}]$ |
DifficultKCET 2026
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