Dimensions
PHXI02:UNITS AND MEASUREMENTS

367340 The position \(x\) of a particle at time " \(t\) " is given by \(x=\dfrac{v_{0}}{a}\left(1-e^{-a t}\right)\). Where \(v_{0}\) is a constant and \(a>0\).
The dimensions of \(v_{0}\) and \(a\) are:

1 \(M^{0} L T^{-1}\) and \(T^{-1}\)
2 \({M^0}L{T^0}\) and \({T^{ - 1}}\)
3 \(M^{0} L T^{-1}\) and \(L T^{-2}\)
4 \(M^{0} L T^{-1}\) and \(T\)
PHXI02:UNITS AND MEASUREMENTS

367341 If \({x, y}\) and \({z}\) are some physical quantities and \({[x y]=[z]}\), then which of the following is meaningful?

1 \({[}\) angle \({]=\dfrac{x y}{z^{2}}}\)
2 \({z-\dfrac{x}{y}}\)
3 \({x y-z^{2}}\)
4 \({x-\dfrac{z}{y}}\)
PHXI02:UNITS AND MEASUREMENTS

367342 Energy \((E)\) is expressed in terms of mass \((m),\) distance \((x)\) and time \((t)\) as \(E=a x+\dfrac{t^{2} \sqrt{b}}{m}\).If the dimensions of \(\dfrac{b}{a}\) is \(\left[ {{M^p}{L^q}{T^r}} \right],\) then \(\mathrm{p}+\mathrm{q}+\mathrm{r}=\)

1 0
2 3
3 5
4 2
PHXI02:UNITS AND MEASUREMENTS

367343 Let \(x = \pi R\left( {\frac{{{P^2} - {Q^2}}}{2}} \right)\) , where \(P\), \(Q\), \(R\) are lengths. The physical quantity of \(x\) is

1 area
2 length
3 volume
4 velocity
PHXI02:UNITS AND MEASUREMENTS

367344 The equation of state of some gases can be expressed as \(\left( {P + \frac{a}{{{V^2}}}} \right)(V - b) = RT.\) Here \(P\) is the pressure, \(V\) is the volume, \(T\) is the absolute temperature and \(a\), \(b\), \(R\) are constants. The dimensions of ‘\(a\)’ are

1 \(M{L^{ - 1}}{T^{ - 2}}\)
2 \(M{L^5}{T^{ - 2}}\)
3 \({M^0}{L^6}{T^0}\)
4 \({M^0}{L^3}{T^0}\)
PHXI02:UNITS AND MEASUREMENTS

367340 The position \(x\) of a particle at time " \(t\) " is given by \(x=\dfrac{v_{0}}{a}\left(1-e^{-a t}\right)\). Where \(v_{0}\) is a constant and \(a>0\).
The dimensions of \(v_{0}\) and \(a\) are:

1 \(M^{0} L T^{-1}\) and \(T^{-1}\)
2 \({M^0}L{T^0}\) and \({T^{ - 1}}\)
3 \(M^{0} L T^{-1}\) and \(L T^{-2}\)
4 \(M^{0} L T^{-1}\) and \(T\)
PHXI02:UNITS AND MEASUREMENTS

367341 If \({x, y}\) and \({z}\) are some physical quantities and \({[x y]=[z]}\), then which of the following is meaningful?

1 \({[}\) angle \({]=\dfrac{x y}{z^{2}}}\)
2 \({z-\dfrac{x}{y}}\)
3 \({x y-z^{2}}\)
4 \({x-\dfrac{z}{y}}\)
PHXI02:UNITS AND MEASUREMENTS

367342 Energy \((E)\) is expressed in terms of mass \((m),\) distance \((x)\) and time \((t)\) as \(E=a x+\dfrac{t^{2} \sqrt{b}}{m}\).If the dimensions of \(\dfrac{b}{a}\) is \(\left[ {{M^p}{L^q}{T^r}} \right],\) then \(\mathrm{p}+\mathrm{q}+\mathrm{r}=\)

1 0
2 3
3 5
4 2
PHXI02:UNITS AND MEASUREMENTS

367343 Let \(x = \pi R\left( {\frac{{{P^2} - {Q^2}}}{2}} \right)\) , where \(P\), \(Q\), \(R\) are lengths. The physical quantity of \(x\) is

1 area
2 length
3 volume
4 velocity
PHXI02:UNITS AND MEASUREMENTS

367344 The equation of state of some gases can be expressed as \(\left( {P + \frac{a}{{{V^2}}}} \right)(V - b) = RT.\) Here \(P\) is the pressure, \(V\) is the volume, \(T\) is the absolute temperature and \(a\), \(b\), \(R\) are constants. The dimensions of ‘\(a\)’ are

1 \(M{L^{ - 1}}{T^{ - 2}}\)
2 \(M{L^5}{T^{ - 2}}\)
3 \({M^0}{L^6}{T^0}\)
4 \({M^0}{L^3}{T^0}\)
PHXI02:UNITS AND MEASUREMENTS

367340 The position \(x\) of a particle at time " \(t\) " is given by \(x=\dfrac{v_{0}}{a}\left(1-e^{-a t}\right)\). Where \(v_{0}\) is a constant and \(a>0\).
The dimensions of \(v_{0}\) and \(a\) are:

1 \(M^{0} L T^{-1}\) and \(T^{-1}\)
2 \({M^0}L{T^0}\) and \({T^{ - 1}}\)
3 \(M^{0} L T^{-1}\) and \(L T^{-2}\)
4 \(M^{0} L T^{-1}\) and \(T\)
PHXI02:UNITS AND MEASUREMENTS

367341 If \({x, y}\) and \({z}\) are some physical quantities and \({[x y]=[z]}\), then which of the following is meaningful?

1 \({[}\) angle \({]=\dfrac{x y}{z^{2}}}\)
2 \({z-\dfrac{x}{y}}\)
3 \({x y-z^{2}}\)
4 \({x-\dfrac{z}{y}}\)
PHXI02:UNITS AND MEASUREMENTS

367342 Energy \((E)\) is expressed in terms of mass \((m),\) distance \((x)\) and time \((t)\) as \(E=a x+\dfrac{t^{2} \sqrt{b}}{m}\).If the dimensions of \(\dfrac{b}{a}\) is \(\left[ {{M^p}{L^q}{T^r}} \right],\) then \(\mathrm{p}+\mathrm{q}+\mathrm{r}=\)

1 0
2 3
3 5
4 2
PHXI02:UNITS AND MEASUREMENTS

367343 Let \(x = \pi R\left( {\frac{{{P^2} - {Q^2}}}{2}} \right)\) , where \(P\), \(Q\), \(R\) are lengths. The physical quantity of \(x\) is

1 area
2 length
3 volume
4 velocity
PHXI02:UNITS AND MEASUREMENTS

367344 The equation of state of some gases can be expressed as \(\left( {P + \frac{a}{{{V^2}}}} \right)(V - b) = RT.\) Here \(P\) is the pressure, \(V\) is the volume, \(T\) is the absolute temperature and \(a\), \(b\), \(R\) are constants. The dimensions of ‘\(a\)’ are

1 \(M{L^{ - 1}}{T^{ - 2}}\)
2 \(M{L^5}{T^{ - 2}}\)
3 \({M^0}{L^6}{T^0}\)
4 \({M^0}{L^3}{T^0}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI02:UNITS AND MEASUREMENTS

367340 The position \(x\) of a particle at time " \(t\) " is given by \(x=\dfrac{v_{0}}{a}\left(1-e^{-a t}\right)\). Where \(v_{0}\) is a constant and \(a>0\).
The dimensions of \(v_{0}\) and \(a\) are:

1 \(M^{0} L T^{-1}\) and \(T^{-1}\)
2 \({M^0}L{T^0}\) and \({T^{ - 1}}\)
3 \(M^{0} L T^{-1}\) and \(L T^{-2}\)
4 \(M^{0} L T^{-1}\) and \(T\)
PHXI02:UNITS AND MEASUREMENTS

367341 If \({x, y}\) and \({z}\) are some physical quantities and \({[x y]=[z]}\), then which of the following is meaningful?

1 \({[}\) angle \({]=\dfrac{x y}{z^{2}}}\)
2 \({z-\dfrac{x}{y}}\)
3 \({x y-z^{2}}\)
4 \({x-\dfrac{z}{y}}\)
PHXI02:UNITS AND MEASUREMENTS

367342 Energy \((E)\) is expressed in terms of mass \((m),\) distance \((x)\) and time \((t)\) as \(E=a x+\dfrac{t^{2} \sqrt{b}}{m}\).If the dimensions of \(\dfrac{b}{a}\) is \(\left[ {{M^p}{L^q}{T^r}} \right],\) then \(\mathrm{p}+\mathrm{q}+\mathrm{r}=\)

1 0
2 3
3 5
4 2
PHXI02:UNITS AND MEASUREMENTS

367343 Let \(x = \pi R\left( {\frac{{{P^2} - {Q^2}}}{2}} \right)\) , where \(P\), \(Q\), \(R\) are lengths. The physical quantity of \(x\) is

1 area
2 length
3 volume
4 velocity
PHXI02:UNITS AND MEASUREMENTS

367344 The equation of state of some gases can be expressed as \(\left( {P + \frac{a}{{{V^2}}}} \right)(V - b) = RT.\) Here \(P\) is the pressure, \(V\) is the volume, \(T\) is the absolute temperature and \(a\), \(b\), \(R\) are constants. The dimensions of ‘\(a\)’ are

1 \(M{L^{ - 1}}{T^{ - 2}}\)
2 \(M{L^5}{T^{ - 2}}\)
3 \({M^0}{L^6}{T^0}\)
4 \({M^0}{L^3}{T^0}\)
PHXI02:UNITS AND MEASUREMENTS

367340 The position \(x\) of a particle at time " \(t\) " is given by \(x=\dfrac{v_{0}}{a}\left(1-e^{-a t}\right)\). Where \(v_{0}\) is a constant and \(a>0\).
The dimensions of \(v_{0}\) and \(a\) are:

1 \(M^{0} L T^{-1}\) and \(T^{-1}\)
2 \({M^0}L{T^0}\) and \({T^{ - 1}}\)
3 \(M^{0} L T^{-1}\) and \(L T^{-2}\)
4 \(M^{0} L T^{-1}\) and \(T\)
PHXI02:UNITS AND MEASUREMENTS

367341 If \({x, y}\) and \({z}\) are some physical quantities and \({[x y]=[z]}\), then which of the following is meaningful?

1 \({[}\) angle \({]=\dfrac{x y}{z^{2}}}\)
2 \({z-\dfrac{x}{y}}\)
3 \({x y-z^{2}}\)
4 \({x-\dfrac{z}{y}}\)
PHXI02:UNITS AND MEASUREMENTS

367342 Energy \((E)\) is expressed in terms of mass \((m),\) distance \((x)\) and time \((t)\) as \(E=a x+\dfrac{t^{2} \sqrt{b}}{m}\).If the dimensions of \(\dfrac{b}{a}\) is \(\left[ {{M^p}{L^q}{T^r}} \right],\) then \(\mathrm{p}+\mathrm{q}+\mathrm{r}=\)

1 0
2 3
3 5
4 2
PHXI02:UNITS AND MEASUREMENTS

367343 Let \(x = \pi R\left( {\frac{{{P^2} - {Q^2}}}{2}} \right)\) , where \(P\), \(Q\), \(R\) are lengths. The physical quantity of \(x\) is

1 area
2 length
3 volume
4 velocity
PHXI02:UNITS AND MEASUREMENTS

367344 The equation of state of some gases can be expressed as \(\left( {P + \frac{a}{{{V^2}}}} \right)(V - b) = RT.\) Here \(P\) is the pressure, \(V\) is the volume, \(T\) is the absolute temperature and \(a\), \(b\), \(R\) are constants. The dimensions of ‘\(a\)’ are

1 \(M{L^{ - 1}}{T^{ - 2}}\)
2 \(M{L^5}{T^{ - 2}}\)
3 \({M^0}{L^6}{T^0}\)
4 \({M^0}{L^3}{T^0}\)