Question

5. If the diameter of a wire is doubled in a torsional pendulum, the time period
(a) decreases
(b) doubled
(c) increases
(d) constant
6. The unit of elastid modulus is
(a) Nm?
(c) Nm
(b) Nm2
(d) Nm!
7. The ratio of stress to strain is called
(a) workdone
(b) modulus of elasticity
(c) force
(d) twist
8. Work done in stretching a wire is
(a) = stress x strain (b) = stress x strain
strain
(c) = 2 x stress x strain (d)
2 stress​

Answer 1

Explanation:

Answer to Q6

This is a specific form of Hooke's law of elasticity. The units of Young's modulus in the English system are pounds per square inch (psi), and in the metric system newtons per square metre (N/m2). The value of Young's modulus for aluminum is about 1.0 × 107 psi, or 7.0 × 1010 N/m2.

Answer Nm2

Answer to Q7

The ratio of hydraulic stress to the corresponding strain is known as bulk modulus.

Answer 2

Answer:

Q5

answer is (c) increases.

Q6

answer N/m^2

Q7

Modulus of Elasticity.

Explanation

5. When the diameter is doubled ,the period will increase in the factor of √2.