TS Inter 2nd Year Physics Question Paper March 2023

Thoroughly analyzing TS Inter 2nd Year Physics Model Papers and TS Inter 2nd Year Physics Question Paper March 2023 helps students identify their strengths and weaknesses.

TS Inter 2nd Year Physics Question Paper March 2023

Time: 3 Hours
Maximum Marks: 60

Section – A (10 × 2 = 20)

Note :

  • Answer ALL questions.
  • Each question carries TWO marks.
  • ALL are very short answer type questions.

Question 1.
What is the principle of a moving coil galvanometer ?

Question 2.
Define magnetic inclination or angle of dip.

Question 3.
A small angled prism of 4° deviates a ray through 2.48°. Find the refractive index of the prism.

Question 4.
Classify the following materials with regard to magnetism: Manganese, Cobalt, Nickel, Bismuth, Oxygen, Copper.

Question 5.
What important fact did Millikan’s experiment establish?

Question 6.
A transformer converts 200V ac into 2000 V ac Calculate the number of turns in the secondary if the primary has 10 turns.

Question 7.
If the wavelength of electromagnetic radiation is doubled, what happens to the energy of photon?

Question 8.
Give examples of “photosensitive substances”. Why are they called so?

Question 9.
What is sky wave propagation?

Question 10.
Write the truth table of NAND gate. How does it differ from AND gate.

Section – B (6 × 4 = 24)

Note :

  • Answer ANY SIX questions.
  • Each question carries FOUR marks.
  • ALL are short answer type questions.

Question 11.
Distinguish between half-wave and full-wave rectifiers.

Question 12.
Describe the ways in which Eddy currents are used to advantage.

TS Inter 2nd Year Physics Question Paper March 2023

Question 13.
Write a short note on De Broglie’s explanation of Bohr’s second postulate of quantization.

Question 14.
Derive an expression for the magnetic dipole moment of a revolving electron.

Question 15.
Define critical angle. Explain total internal reflection using a neat diagram.

Question 16.
Explain Doppler effect in light. Distinguish between red shift and blue shift.

Question 17.
Derive an expression for the capacitance of a parallel plate capacitor.

Question 18.
State Gauss’s law in electrostatics.

Section – C (2 × 8 = 16)

Note :

  • Answer ANY TWO questions.
  • Each question carries EIGHT marks.
  • ALL are long answer type questions.

Question 19.
How are stationary waves formed in closed pipes? Explain the various modes of vibrations and obtain relations for their frequencies.
A closed organ pipe 70 cm long is sounded. If the velocity of sound is 331 m/s, what is the fundamental frequency of vibration of the air column?

Question 20.
What is radioactivity? State the law of radioactive decay. Show that radioactive decay is exponential in nature.
The half-life radium is 1600 years. How much time does lg of radium take to reduce to 0.125 g.

Question 21.
State Kirchhoff’s laws for an electrical network. Using these laws deduce the condition for balance in a Wheatstone Bridge.

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