Units and Dimensions » Exercise - 295. A force is given by F = at + bt2, where t is the time. The dimensions of a and b are : (a) [M L T –4] and [M L T] (b) [M L T –1] and [M L T 0] (c) [M L T –3] and [M L T –4] (d) [M L T –3] and [M L T 0]
Tags: dimensions, units, exercise, force, time, physics
Units and Dimensions » Exercise - 298. Velocity v is given by v = at2+bt+c, where t is time. What are the dimensions of a, b and c respectively? (a) [L T –3], [L T –2] and [L T –1] (b) [L T –1], [L T –2] and [L T –3] (c) [L T –2], [L T –3] and [L T –1] (d) [L T –1], [L T –3] and [L T –2]
Tags: dimensions, units, exercise, velocity, time, physics
Units and Dimensions » Exercise - 253. The unit of thermal conductivity is : (a) J –1 m–1 s –1 K –2 (b) J m s K –1 (c) J 2 m s K –1 (d) J m –1 s –1 K –1
Units and Dimensions » Exercise - 276. Which of the following has the dimensions of pressure ? (a) M L –2 T –2 (b) M –1 L –1 (c) M L T –2 (d) M L –1 T –2