Q. No.If dimensions of critical velocity \({v_c}\) of a liquid flowing through a tube are expressed as \(\eta^{x}\rho^yr^{z}\), where \(\eta, \rho~\text{and}~r\) are the coefficient of viscosity of the liquid, the density of the liquid, and the radius of the tube respectively, then the values of \({x},\) \({y},\) and \({z},\) respectively, will be:
1. \(1,-1,-1\)
2. \(-1,-1,1\)
3. \(-1,-1,-1\)
4. \(1,1,1\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \([Ev^{-2}T^{-1}]\) | 2. | \([Ev^{-1}T^{-2}]\) |
| 3. | \([Ev^{-2}T^{-2}]\) | 4. | \([E^{-2}v^{-1}T^{-3}]\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf force (\(F\)), velocity (\(\mathrm{v}\)), and time (\(T\)) are taken as fundamental units, the dimensions of mass will be:
1. \([FvT^{-1}]\)
2. \([FvT^{-2}]\)
3. \([Fv^{-1}T^{-1}]\)
4. \([Fv^{-1}T]\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | impulse and surface tension |
| 2. | angular momentum and work |
| 3. | work and torque |
| 4. | Young's modulus and energy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe density of a material in a CGS system of units is \(4~\text{grams/cm}^3\). In a system of units in which the unit of length is \(10~\text{cm}\) and the unit of mass is \(100~\text{grams}\), the value of the density of the material will be:
1. \( 0.04 \)
2. \( 0.4 \)
3. \( 40 \)
4. \(400\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe dimensions of where is the permittivity of free space and E is the electric field, are:
1. [ML2T-2]
2. [ML-1T-2]
3. [ML2T-1]
4. [MLT-1]
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | pressure if \(a=1,\) \(b=-1,\) \(c=-2\) |
| 2. | velocity if \(a=1,\) \(b=0,\) \(c=-1\) |
| 3. | acceleration if \(a=1,\) \(b=1,\) \(c=-2\) |
| 4. | force if \(a=0,\) \(b=-1,\) \(c=-2\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich two of the following five physical parameters have the same dimensions?
| (1) | Energy density |
| (2) | Refractive index |
| (3) | Dielectric constant |
| (4) | Young's modulus |
| (5) | Magnetic field |
Choose the correct option:
| 1. | (2) and (4) |
| 2. | (3) and (5) |
| 3. | (1) and (4) |
| 4. | (1) and (5) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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