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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ML3T1Q2is dimension of 

(1) Resistivity

(2) Conductivity

(3) Resistance

(4) None of these

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Dimension of electric current is 

(1) [M0L0T1Q]

(2) [ML2T1Q]

(3) [M2LT1Q]

(4) [M2L2T1Q]

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The fundamental physical quantities that have same dimensions in the dimensional formulae of torque and angular momentum are 

(1) Mass, time

(2) Time, length

(3) Mass, length

(4) Time, mole

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If pressure P, velocity V and time T are taken as fundamental physical quantities, the dimensional formula of force is  

(1) PV2T2

(2) P1V2T2

(3) PVT2

(4) P1VT2

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The physical quantity which has dimensional formula as that of EnergyMass×Lengthis 

(1) Force

(2) Power

(3) Pressure

(4) Acceleration

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