The expression [ML2T−2] represents
1. Pressure
2. Kinetic energy
3. Momentum
4. Power
The dimensions of physical quantity X in the equation Force =XDensity is given by
1. M1L4T−2
2. M2L−2T−1
3. M2L−2T−2
4. M1L−2T−1
The dimensions of CV2 matches with the dimensions of
1. L2I
2. L2I 2
3. LI2
4. 1LI
The Martians use force (F), acceleration (A) and time (T) as their fundamental physical quantities. The dimensions of length on Martians system are
1. [FT2]
2. [F−1T2]
3. [F−1A2T−1]
4. [AT2]
The dimension of 1√ε0μ0 is that of
1. Velocity
2. Time
3. Capacitance
4. Distance
An athletic coach told his team that muscle times speed equals power. What dimensions does he view for muscle?
1. MLT−2
2. ML2T−2
3. MLT2
4. L
The dimensional formula of wave number is
1. M0L0T−1
2. M0L−1T0
3. M−1L−1T0
4. M0L0T0
The dimensions of stress are equal to
1. Force
2. Pressure
3. Work
4. 1Pressure
Dimensional formula of magnetic flux is
1. ML2T−2A−1
2. ML0T−2A−2
3. M0L−2T−2A−3
4. ML2T−2A3
If P represents radiation pressure, c represents speed of light and Q represents radiation energy striking a unit area per second, then non-zero integers x, y and z such that PxQycz is dimensionless, are
1. x=1, y=1, z=−1
2. x=1, y=−1, z=1
3. x=−1, y=1, z=1
4. x=1, y=1, z=1