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Board : Andhra Pradesh Open School Society
Exam : Senior Secondary Physics
Document type : Model Question Paper
Website : apopenschool.org

Download Sample/ Model Question Papers :https://www.pdfquestion.in/uploads/6078-Intermediate%20Model%20Question%20Papers.pdf

Physics Question Paper :

SECTION – A (VERY SHORT ANSWER QUESTIONS)
Note : Answer all the questions. 13 x 2 = 26 Marks

Related : AP Open School Society Senior Secondary Mathematics Question Paper Model : www.pdfquestion.in/6077.html

1. Why does the car with a flattered tyre stops sooner than the one inflated tyres ?
2. Modern air crafts fly at heights upwards of 10 km. Calculate the value of ‘g’ at that altitude. Given the radius of the earth is 6400 km and the value of ‘g’ on the surface of the earth is 9.8 ms-2.

3. How does kerosene oil raise in the wick of a lantern ?
4. Why do two layers of cloth of equal thickness provide warmer covering than a single layer of cloth of double the thickness ?

5. Distinguish between transverse and longitudinal waves.
6. State Lenz’s law.
7. When current drawn from a cell increases, the potential difference between the cell electrodes decreases, Why ?

8. Define total internal reflection and write the relation between critical angle and refractive index of the media ?
9. Calculate the focal length of a lens if the radii of curvature of its two surfaces are +20 cm and -25 cm. (u = 1.5) ?

10. An electron is accelerated through a P.D. of 182 volt. Calculate its associative wave length.
11. Differentiate between junction diode and zenor diode ?
12. Distinguish UPS from Invertor ?
13. What do you understand by terms film size and speed ?

Section – B : (Short Answer Questions)
Note : Answer any Six Questions 6 x 5 = 30 Marks
14. State and prove work – energy theorem ? What happens to kinetic energy of a particle if the speed of the particle is doubled ?
15. State Bernoulli’s theorem and write down the equation. Under what conditions Bernoulli’s theorem is applicable to a fluid ?

16. Show that the motion of simple pendulum is simple harmonic and derive expression for its time period ?
17. For the circuit shown here, calculate the current flowing in 6 Ω resistor ?

18. Explain the defects in image formation of optical instruments ?
19. How does a p.n junction diode works as a half wave rectifier ?
20. What is an inverter ? Write how it works ?
21. Explain the various steps involved in audio recording and reproduction?

Section – C : (Long Answer Questions)
Note : Answer any Three Questions 3 x 8 = 24 Marks
22. State Newton’s second law of motion. Hence derive the equation of motion F = ma from it. A Constant force of magnitude 50N is applied to a body of mass 10 kg moving initially with a speed of 10 ms-1. How long will it take the body to stop if the force acts in a direction opposite to its motion.

23. a. Define specific heats of gas
b. Calculate Cp and Cv for argon. Given R = 8.3 J mol-1 k-1.
c. Derive the relationship between Cp and Cv.

24. Derive condition of balancing wheat stone bridge using Kirchhoff’s Law.
25. Describe Rutherford’s experiment of α – ray scattering and its findings.

Physics Practical Examination Question Bank :
1. Determine the value of acceleration due to gravity using simple pendulum from L – T2 graph.
2. Determine length of seconds pendulum using simple pendulum from L – T2 graph.
3. Determine the weight of a given body using parallelogram law of forces.

4. Determine the mass of a given body using parallelogram law of forces.
5. Draw the cooling curve of a body and calculate rate of cooling at three different points of the curve.

6. Determine the specific heat of a liquid using the method of mixtures. Given specific heat of solid.
7. Determine the spring constant of a spring using static method.

8. Determine the spring constant of a spring using dynamic method.
9. Study the rate of flow of liquid as a function of pressure head using a burette.
10. Determine the coefficient of viscosity of liquid by finding terminal velocity of the given body in the liquid (given necessity data γ, β, σ)

11. Determine the unknown frequency of given tuning fork using sonometer (linear density value of material of the wire will be given by the examiner).