Plus One Physics Practical Viva Questions and Answers

Plus One Physics Practical Viva Questions and Answers

Plus One Physics Practical Viva Questions and Answers: In this article, we will provide some of the most asked practical viva questions and answers asked in the Plus One Physics Practical exam each year. We have compiled this list from viva questions from analysis of previous practical exams and collected these Plus One Physics Practical Viva Questions and Answers for students preparing for upcoming Physics practical exams.

Plus One Physics Practical Viva Questions and Answers

Plus One Physics Practical Viva Exam. A necessary evil. Most students break out in a cold sweat at the mere thought. How do I prepare? What are they going to ask me? What should I ask them? Those are just a few of the questions that run through the mind of the average student.

Board	SCERT, Kerala
Class	Plus One
Subject	Physics
Exam	Practical
Study Materials	Viva Q&A
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Plus One Physics Practical Viva Questions & Answers

We have listed below the list of most asked plus One Physics practical viva questions along with answers of each below:

Important viva-voce question of physics class 11

Physics Practical Viva Questions with answers for class 11th

Q1. Least count of Vernier Calliper ?
Ans. 0.01cm

Q2. Least count of Screw guaze ?
Ans. 0.001cm

Q3. State Ohms law?
Ans. So long as the physical state of the conductor remains the same, the current (I) through the conductor passed is directly proportional to the potential difference(V) between those terminals..

Q4. On which principle Sonometer experiment is based on?
Ans. Resonance.

Q5. Why we are putting the rubber pad inside the flask in Resonance Tube experiment.?
Ans.

Q6. Why We use Vernier Calliper?
A.It is used to measure the inner diameter of a solid sphere, outer diameter of solid sphere and the depth of a cylinder.

Q7. Why We use Screw Gauze?
A.It is used to measure the diameter of a cylindrical wire that means a metal normal copper wire or else metal wire.

Q8. Hooke’s Law?
Ans. Within elastic limit, stress given to a body is directly proportional to strain observed in the body or simple you can say stress is is directly proportional to strain.

Q9. S.I Unit for Frequency?
Ans. Hertz(Hz).

Q10. Use of Multi-meter?
A. Used for :
knowing the resistors values,
calculate battery voltage in volts,
to measure  the current flowing in circuit,
current of household connection as well ,
check the continuity of a given wire,
to check the LED,
know the Beta value of transistor.
to check the diode. 

Q11. How to make NAND gate using AND and OR gate?

update soon..

Q12. State the principle of a potentiometer?

Ans: It states that when a constant current(I) flows through a wire of uniform cross sectional area, the potential difference(V) between its two points is directly proportional to the length(L) of the wire between those two points.

Q13. Define figure of merit of a galvanometer?

Ans: When a coil carrying current (I) is placed in a radial magnetic field, the coil experiences a deflection θ which is related to I as I = kθ, where k is a constant of proportionality and is termed as figure of merit of the galvanometer.

Q14. Define principle axis of a convex lens?

Ans: The principal focus of a convex lens is defined as the point on which the principal axis of the light is parallel to the principal axis which converges after the refraction from the lens.

Q15. What are the differences between primary and secondary cell?

Ans.

Primary Cell	Secondary Cell
A primary cell cannot be recharged	A secondary cell can be recharged
Reaction is irreversible	Reaction is reversible
Easy in use	Difficult compared to primary cell
They can be used for limited time	They can be used for longer time
Example- dry cell, daniel cell	example lead-acid cell, nickel-cd cell

Q16. How does an LED emit light?

Q17. What is the difference between an ordinary diode and an LED?

Ans:

Diode	LED
They converts energy into heat	They converts energy into light
Reverse Breakdown Voltage value is high	Reverse Breakdown Voltage value is low
Diode emits light	LED converts the ac to dc
Ex materials-Silicon, Germanium	ex materials- gallium arsenide

Q18. What is superposition principle?

Q19. What is meant by least count?

Q20. What are the factors affecting internal resistance?

Q21. What is the use of Galvanometer?

Q22. What is meant by order of spectrum?

Q23. What is diffraction?

Q24. What is meant by magnetic meridian?

Q25. What is a solar cell?

Q26. What is Photo electric effect?

Q27. What is Work function?

Q28. 1 Newton = __________dyne.?

Q29. What is stopping potential?

Q30. Define moment of inertia.?

Ans: A rotating body performing angular acceleration, which is the sum of the products of the mass of each particle in the body with the square of its distance from the axis of rotation.

Q31. What is the least count of a spectrometer?

Above are the few listing of “important questions for class 11 and class 12 physics with answers” in later time i will upload more questions if you have any query you can comment below into comment box.

Plus One All Subjects Practical Viva Questions & Answers

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Importance of Plus One Physics Practical Viva Questions & Answers

All students should know the plus One Physics practical viva questions to enhance their preparation in the right direction for the examinations. It will help the students to get an answer and help them to manage their time during the exam effectively.

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