Andhra & Telangana Board - Class 12 (Intermediate 2nd Year) previous year questions (PYQ)

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The value of $\sin\theta$ cannot exceed 1 for any real angle $\theta$.

Reason (R): In any right-angled triangle, the hypotenuse is the strictly longest side, ensuring the ratio $\text{Perpendicular}/\text{Hypotenuse} \le 1$.

Grammar: Which part of speech does the highlighted word in 'Surface Chemistry (Adsorption, Colloids, Emulsions)' belong to?

గుణకారం మరియు భాగాహారం: 'System of Circles (Radical Axis, Orthogonal Circles)' లెక్కలో సరైన లబ్దం లేదా శేషం ఎంత?

Creative Writing / Letter Writing: What is the appropriate opening salutation for 'Surface Chemistry (Adsorption, Colloids, Emulsions)'?

Vocabulary: Identify the correct synonym or meaning for 'Alcohols, Phenols and Ethers':

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): The square root of 2 ($\sqrt{2}$) is an irrational real number.

Reason (R): The square root of any positive prime integer is an irrational number.

జ్యామితి మరియు కొలతలు: 'Binomial Theorem (General and Middle Terms)' రూపం యొక్క చుట్టుకొలత లేదా వైశాల్యం ఎంత?

భిన్నాలు (Fractions - Scholarship Standard): 'Probability (Addition and Multiplication Theorems, Baye's Theorem)' ఆధారంగా సమాన భిన్నం లేదా దశాంశ రూపం ఏది?

Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:

What is the vertical height of the suspension cable at a horizontal distance of $25\text{ m}$ from the bridge center?

Tenses: Choose the correct verb form for 'Communication Systems' in Simple Past Tense:

Refer to the Case Study 'Case Study: Optical Fibers and Total Internal Reflection in Medical Endoscopy' to answer:

Calculate the critical angle $\theta_c$ for the optical fiber described in the passage ($n_1 = 1.52, n_2 = 1.48$).

Refer to the Case Study 'Case Study: Optical Fibers and Total Internal Reflection in Medical Endoscopy' to answer:

What essential conditions must be satisfied for total internal reflection to occur within the optical fiber?

Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:

Assertion (A): A convex mirror is commonly used as a driver's rear-view mirror in automobiles.

Reason (R): A convex mirror always forms an erect, virtual, and diminished image, providing a much wider field of view.