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Physics Lab Instruments Questions and Answers

Frequently asked questions and answers of Physics Lab Instruments in Physics to enhance your skills, knowledge on the selected topic. We have compiled the best Physics Lab Instruments Interview question and answer, trivia quiz, mcq questions, viva question, quizzes to prepare. Download Physics Lab Instruments FAQs in PDF form online for academic course, jobs preparations and for certification exams .

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Interview Questions and Answers of Physics Lab Instruments

Vernier Calipers ()
  • What is vernier calipers?
  • Why is the vernier calipers so called?
  • What is the principle of Vernier Calipers?
  • What is least count (L.C.) in Vernier calipers?
  • What is the unit of vernier scale?
Screw Gauge ()
  • What are the two main parts of the screw gauge?
  • What is the least count of the screw gauge?
  • What is a screw?
  • What is meant by gauge?
  • What is zero error of the screw gauge?
Spherometer ()
  • Why the instrument is given the name spherometer?
  • What is the pitch of a spherometer?
  • What is the principle of spherometer?
  • How do you find the least count of spherometer?
  • What is meant by radius of curvature of a surface?
Carey Fosters Bridge Experiment ()
  • What are the advantages of Carey fosters bridge over the wheatstone bridge?
  • What is the difference between the Carey foster bridge and meter bridge?
  • What is the function of a Carey foster bridge?
  • What is demonstrated in the Carey foster bridge experiment?
  • What is the advantage of measuring resistance by null method?
Youngs Modulus Experiment ()
  • What is young's modulus?
  • What is a beam?
  • How are longitudinal strain and stress produced in your experiment?
  • Which dimension- breath, thickness or length of the bar-should be measured very careful and why?
  • Why do you place the beam symmetrically on the knife edges?
Flywheel ()
  • What is flywheel?
  • What are the functions of flywheel in a machine?
  • What types of stresses are set up in the flywheel rims?
  • What are the various types of flywheel?
  • Why flywheels are used in punching machines?
Surface Tesnion Experiment ()
  • Define surface tension?
  • What are units of surface tension in C.G.S. and S.I. (M.K.S.) system?
  • What are cohesion and adhesion force?
  • What are the factors affecting the surface tension?
  • What is the effect of temperature on the surface tension?
Lee's Disc Experiment ()
  • What is thermal conductivity?
  • Does the value of thermal conductivity depend on the dimension of the specimen?
  • Can this method be used for good conductors?
  • Is there any reason totake the specimen in the form of a disc?
Torsional Pendulum ()
  • What is torsional pendulum?
  • What is the type of oscillation?
  • On what factors does the time period?
  • How will you determine the rigidity of fluids?
  • Define time period
Poiseuilles Method Viva Questions and Answers ()
  • What is viscosity and define the coeffient of viscosity?
  • How does the coefficient of viscosity changes with temperature?
  • Can you use this method for all types of liquids?
Moment of Inertia Table Setup ()
  • What Is Moment of Inertia?
  • Explain Radius of gyration?
  • What is Inertia?
  • What is Polar moment of inertia?
  • What is difference between polar moment of inertia and moment of inertia?
Bar Pendulum ()
  • What is a bar pendulum, and how does it differ from a simple pendulum?
  • What factors affect the period of a bar pendulum?
  • Describe the setup of a bar pendulum experiment
  • How can you determine the period of a bar pendulum experimentally?
  • How does the period of a bar pendulum differ from that of a simple pendulum?
Melde's Experiment ()
  • Define frequency?
  • Define linear density?
  • The tuning fork in Melde's experiment is electrically driven or mechanically driven?
  • What are beats?
  • What are nodes and antinodes?
GM Counter Experiment ()
  • What is a Geiger counter?
  • Who invented the Geiger counter?
  • What are the two types of Geiger counters?
  • What is the Principle of G.M. Counter?
  • What is Gas multiplication?
Deflection Magnetometer Experiment ()
  • What is a deflection magnetometer?
  • How does a deflection magnetometer work?
  • What are the main components of a deflection magnetometer?
  • What is the principle behind the operation of a deflection magnetometer?
  • What factors affect the deflection angle in a deflection magnetometer?
Andrson Bridge ()
  • What is an Anderson bridge used for?
  • Who invented the Anderson bridge?
  • What is the principle behind the Anderson bridge?
  • What are the main components of an Anderson bridge?
  • What is the significance of the variable resistor in an Anderson bridge?
Energy Band Gap Experiment ()
  • What is an energy band gap?
  • How is the energy band gap experimentally determined?
  • What is the significance of determining the energy band gap of a material?
  • What are some common methods used to measure the energy band gap?
  • How does UV-Vis spectroscopy help in determining the energy band gap?
Engineering Graphics ()
  • What is the purpose of engineering graphics?
  • What are the two main types of projections used in engineering graphics?
  • Define orthographic projection.
  • What is the difference between first angle projection and third angle projection?
  • Explain the term "isometric projection."
Solar Cell ()
  • What is a solar cell?
  • How do solar cells work?
  • What are the main components of a solar cell?
  • What is the efficiency of solar cells?
  • What types of solar cells are there?
Magnetic Field of a Solenoid Experiment ()
  • What is a solenoid?
  • How does the magnetic field of a solenoid compare to that of a bar magnet?
  • What factors affect the strength of the magnetic field produced by a solenoid?
  • What is the direction of the magnetic field inside a solenoid?
  • What is the direction of the magnetic field outside a solenoid?

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