A force F is applied onto a square plate of side L. If the percentage error in determining L is 2% and that in F is 4%, the permissible percentage error in determining the pressure is;
2%
4%
6%
8%
As, pressure P = F/A = F/L²
% Error = (ΔF/F) × 100 + 2(ΔL/L) × 100
= 4 + 2 × 2 = 8%
Write the dimensions of a/b in the relation P = (a - t²) / bx; where P is the pr
NextIf area (A), velocity (v) and density () are base units, then the dimensional f
Energy of a particle is 5 J. If unit of length and time are doubled and unit of mass is halved then
MediumThe time period of oscillation of a body is given by , K represents the kinetic energy, m mass, g ac
MediumA gas bubble, from an explosion under water, oscillates with a period proportional to PadbEc. Where
EasyIf P and Q have different non-zero dimensions, which of the following operation is possible?
EasyA wave is represented by y = a sin(At − Bx + C) where A, B, C are constants and t is in seconds and
EasyIf the unit of length and force be increased four times, then the unit of energy is
Practice Physics Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams