Minimum and maximum values of Poisson’s ratio for a metal lies between
Minimum and maximum values of Poisson's ratio for a metal lies between Options (a) (-∞ to +∞) (b) 0 to…
6 years ago
Properties of Bulk Matter
The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
The respective speeds of the molecules are 1,2,3,4 and 5 km/s. The ratio of their r.m.s. velocity and the average…
6 years ago
A body undergoes no change in volume. Poisson’s ratio is
A body undergoes no change in volume. Poisson's ratio is Options (a) 0.5 (b) 0.05 (c) 0.25 (d) 2.5 Correct…
6 years ago
Wires A and B are made from the same material. A has twice the diameter and three times
Wires A and B are made from the same material. A has twice the diameter and three times the length…
6 years ago
Which of the following will be σ if Y=2.4 η?
Which of the following will be σ if Y=2.4 η? Options (a) (-1) (b) 0.2 (c) 0.1 (d) (-0.25) Correct…
6 years ago
Eight drops of a liquid of density ρ and each of radius a are falling through air
Eight drops of a liquid of density ρ and each of radius a are falling through air with a constant…
6 years ago
Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8
Perfectly black body radiates the energy 18 J/s at 300K. Another ordinary body of e=0.8 having same are at 500K…
6 years ago
A black body is at 727⁰C. It emits energy at a rate which is proportional to
A black body is at 727⁰C. It emits energy at a rate which is proportional to Options (a) (1000)⁴ (b)…
6 years ago
A student performs an experiment to determine the Young’s modulus of a wire
A student performs an experiment to determine the Young's modulus of a wire, exactly 2 m long, by Searle's method.…
6 years ago
If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
If longitudinal strain for a wire is 0.03 and its poisson's ratio is 0.5, then its lateral strain is Options…
6 years ago