The dimensional formula for young's modulus is
1.
2.
3. MLT–2
4.
The dimensions of shear modulus are
1. MLT–1
2.
3.
4.
In the relation, \(y=a \cos (\omega t-k x)\), the dimensional formula for \(k\) will be:
1. \( {\left[M^0 L^{-1} T^{-1}\right]} \)
2. \({\left[M^0 L T^{-1}\right]} \)
3. \( {\left[M^0 L^{-1} T^0\right]} \)
4. \({\left[M^0 L T\right]}\)
The position of a body with acceleration \(a\) is given by \(x= Ka^{m}t^{n}\) (assume \(t\) to be time). The values of \(m\) and \(n\) will be:
1. \(m=1,~n=1\)
2. \(m=1,~n=2\)
3. \(m=2,~n=1\)
4. \(m=2,~n=2\)
If force (F), length (L) and time (T) are assumed to be fundamental units, then the dimensional formula of the mass will be
1.
2.
3.
4.
"Pascal-Second" has dimension of
1. Force
2. Energy
3. Pressure
4. Coefficient of viscosity
Frequency is the function of density , length (a) and surface tension (T). Then its value is
1. k.
2.
3.
4.
Pressure gradient has the same dimensions as that of:
1. Velocity gradient
2. Potential gradient
3. Energy gradient
4. None of these