Physics-Young's Modulus
NEET Physics Young's Modulus MCQ Question
Type: MCQ-diagram based-Medium-Class 11
Consider a cylindrical wire suspended from the ceiling and stretched under the action of a weight. Which of the following best describes the tensile stress in the wire?
A
It is the force exerted by the weight per unit area of the wire.
B
It is twice the force exerted by the weight per unit area of the wire.
C
It is the sum of forces exerted by the weight and the ceiling per unit area.
D
It is the force exerted by the ceiling alone per unit area of the wire.
Correct Answer
Option A
Detailed Explanation
Tensile stress in a wire is defined as the tension (force) exerted by the weight per unit area of the wire's cross-section, as explained in the NCERT context.
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