Dimensions of magnetic field intensity is 

(1) [M0L1T0A1]

(2) [MLT1A1]

(3) [ML0T2A1]

(4) [MLT2A]

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The force F on a sphere of radius ‘a’ moving in a medium with velocity ‘v’ is given by F=6πηav. The dimensions of η are 

(1) ML1T1

(2) MT1

(3) MLT2

(4) ML3

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Which physical quantities have the same dimension 

(1) Couple of force and work

(2) Force and power

(3) Latent heat and specific heat

(4) Work and power

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Two quantities A and B have different dimensions. Which mathematical operation given below is physically meaningful 

(1) A/B

(2) A + B

(3) AB

(4) None

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Given that v is speed, r is the radius and g is the acceleration due to gravity. Which of the following is dimensionless

(1) v2/rg

(2) v2r/g

(3) v2g/r

(4) v2rg

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The physical quantity which has the dimensional formula M1T3 is 

(1) Surface tension

(2) Solar constant

(3) Density

(4) Compressibility

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A force F is given by F = at + bt2, where t is time. What are the dimensions of a and b 

(1) MLT3 and ML2T4

(2) MLT3 and MLT4

(3) MLT1 and MLT0

(4) MLT4 and MLT1

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The dimensions of inter atomic force constant are 

(1) MT2

(2) MLT1

(3) MLT2

(4) ML1T1

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If the speed of light (c), acceleration due to gravity (g) and pressure (p) are taken as the fundamental quantities, then the dimension of gravitational constant is 

(1) c2g0p2

(2) c0g2p1

(3) cg3p2

(4) c1g0p1

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If the time period (T) of vibration of a liquid drop depends on surface tension (S), radius (r) of the drop and density (ρ) of the liquid, then the expression of T is 

(1) T=kρr3/S

(2) T=kρ1/2r3/S

(3) T=kρr3/S1/2

(4) None of these

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