Physics - Error Question with Solution | TestHub
PhysicsErrorMiscellaneousMedium2 minQB
PhysicsMediumsingle choice
Which laboratory instruments may have backlash error? (i) Screw gauge; (ii) Spherometer; (iii) Searle's apparatus; (iv) Vernier callipers.
Options:
Answer:
B
Solution:
Backlash is lost motion when a screw reverses direction.
Screw gauge, spherometer and Searle's micrometer use screws.
Vernier callipers use a sliding scale, not this screw mechanism.
Stream:JEESubject:PhysicsTopic:ErrorSubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
