Tangents and Normals MCQs with Answers
Tangents and Normals MCQs with Answers
Class: CBSE Class 12 Mathematics
Subject: Mathematics
Section: Applications of Derivatives
Topic: Tangents and Normals
Board: CBSE Board Examinations
Subject: Mathematics
Section: Applications of Derivatives
Topic: Tangents and Normals
Board: CBSE Board Examinations
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 12 Board Examination standard practice.
Q1. Slope of tangent at a point is given by:
Answer: B
Explanation: First derivative gives tangent slope.
Explanation: First derivative gives tangent slope.
Q2. Equation of tangent uses:
Answer: A
Explanation: Point–slope form.
Explanation: Point–slope form.
Q3. Slope of normal equals:
Answer: A
Explanation: Negative reciprocal.
Explanation: Negative reciprocal.
Q4. Tangent perpendicular to normal because slopes:
Answer: A
Explanation: Perpendicular condition.
Explanation: Perpendicular condition.
Q5. Horizontal tangent when:
Answer: A
Explanation: Zero slope.
Explanation: Zero slope.
Q6. Vertical tangent when slope:
Answer: A
Explanation: Undefined derivative.
Explanation: Undefined derivative.
Q7. Normal line passes through:
Answer: A
Explanation: Same contact point.
Explanation: Same contact point.
Q8. Tangent represents:
Answer: A
Explanation: Derivative meaning.
Explanation: Derivative meaning.
Q9. Normal slope if tangent slope = 2:
Answer: A
Explanation: Negative reciprocal.
Explanation: Negative reciprocal.
Q10. Tangent parallel to x‑axis ⇒ slope:
Answer: A
Explanation: Horizontal line.
Explanation: Horizontal line.
Q11. Normal parallel to y‑axis when tangent:
Answer: A
Explanation: Perpendicular relation.
Explanation: Perpendicular relation.
Q12. Equation of normal uses slope:
Answer: A
Explanation: Negative reciprocal slope.
Explanation: Negative reciprocal slope.
Q13. Tangent touches curve at:
Answer: A
Explanation: Point of contact.
Explanation: Point of contact.
Q14. Tangent gives best linear approximation near:
Answer: A
Explanation: Local linearization.
Explanation: Local linearization.
Q15. If slope positive, tangent:
Answer: A
Explanation: Upward line.
Explanation: Upward line.
Q16. If slope negative, tangent:
Answer: B
Explanation: Downward line.
Explanation: Downward line.
Q17. Tangent slope from derivative at:
Answer: A
Explanation: Instant value.
Explanation: Instant value.
Q18. Normal line always:
Answer: A
Explanation: Right angle to tangent.
Explanation: Right angle to tangent.
Q19. Tangent equation requires:
Answer: A
Explanation: Point–slope form.
Explanation: Point–slope form.
Q20. Tangents & normals studied in:
Answer: A
Explanation: Core derivative application topic.
Explanation: Core derivative application topic.