If area (A), velocity (v) and density () are base units, then the dimensional formula of force can be represented as;
[Avp]
[Av²ρ]
[Avρ²]
[A²vρ]
F = kAˣvʸρᶻ
⇒ MLT⁻² = [L²]ˣ [LT⁻¹]ʸ [ML⁻³]ᶻ
⇒ z = 1, 2x + y − 3z = 1, −y = −2 ⇒ y = 2
⇒ x = 1
⇒ F = kA¹v²ρ¹ = Av²ρ, k = 1
A force F is applied onto a square plate of side L. If the percentage error in d
NextA vernier callipers has 1 mm marks on the mainscale. It has 20 equal divisions o
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