Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumstatement
A steel tape with positive calibrated at 20°C is used at 50°C on a fixed object. Statement I: Reading is too low. Statement II: True length equals reading multiplied by in the linear model.
Options:
Answer:
A
Solution:
Each division is longer by factor , so fewer fit the object and reading is low. Multiplying the reading by that factor gives true length. Both true.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
