General Science - Physics MCQs

Q.  What is the force that is required to produce unit elongation in a wire known as?

a. Bulk modulus
b. Thermal strain
c. Thermal stress
d. Force constant


ANSWER: See Answer
 
Force constant of material of wire is the force required to produce unit elongation in a wire. It is denoted by k. K = F/l or K = YA/l
MCQs:  Which of the following eaves will be produced on bombarding a metal target by high energy electrons?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  In which of the following the sound cannot travel?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the time taken by two consecutive compressions or rarefactions to cross a fixed point in a sound wave known as?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the relationship between the frequency and the pitch of a sound wave?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What are infrasonic sounds?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following represents Boyle’s law?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the value of universal gas constant?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the S.I unit of Latent heat of fusion?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following is correct about Convection?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the S.I unit of Stefan-Boltzmann constant?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following is true about an adiabatic wall?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following is the efficiency of a Carnot engine(a = Temperature of source, b=Temperature of sink)?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the temperature range used in the definition of a calorie?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What do we call the phenomenon of light being deflected when travelling obliquely from one medium to another?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the refractive index of water?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following is the commercial unit of electric power?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which of the following represents Electric Power (V=Voltage, I=Current)?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What do we call the electrode that can be oxidized or reduced in half reaction?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  Which is the direction of magnetic field inside a magnet?
Category: Physics MCQs,   Published by: T-Code Scripts
MCQs:  What is the net magnetic field in a solenoid?
Category: Physics MCQs,   Published by: T-Code Scripts