Explore topic-wise MCQs in Engineering Physics Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Calculate the Young’s modulus in the cantilever depression method. The length is 1m which is suspended with a load of 150gm. The depression is found to be 4cm. The thickness of the beam is 5mm and breadth is 3cm.

A. 3.92 × 1010 N/m2
B. 9000 × 1010 N/m2
C. 4000 × 1010 N/m2
D. 1.245 ×1010 N/m2
Answer» B. 9000 × 1010 N/m2
Discussion
2.

The modulus of rigidity and Poisson’s ratio of the wire are 2.87 × 1010 N/m2 and 0.379 respectively. What is the value of young’s modulus of the material of the wire.

A. 1.08773 × 1010 N/m2
B. 7.915 × 1010 N/m2
C. 7.5725 × 1010 N/m2
D. 0.1403 × 1010 N/m2
Answer» C. 7.5725 × 1010 N/m2
Discussion
3.

A copper wire of length 3m and 1mm diameter is subjected to a tension of 5N. Calculate the elongation produced, if the young’s modulus of copper is 120GPa.

A. 15m
B. 1800m
C. 0.125 ×10-3 m
D. 15.9mm
Answer» E.
Discussion