In which of the following cases would knowing the path length alone not be enough
Finding out how much fuel a flight journey might require.
Determining by how much you must reset your watch.(Change in time zone)
Describe in brief how would you determine the approximate focal length of a convex lens.
Sir it is said that"path length of travel is useful in determining"
1)how long a journey might take,
2)wear and tear of a vehicle.
Sir can you please explain how ?
How would you determine velocity of sound in solids? How would you determine velocity of sound in water?