Question

4.
Which of the following options of statements related to linear expansion are true?
(a) Increase in length of a wire or a rod due to increase in temperature,
(b) 12 = 1 (1+2 AT)
(c) Lambda is called the coefficient of linear expansion of the solid substance
(d) Lambda is the constant of proportionality.
(1) a, b &c
(2) a, c&d
(37 b, c & d
(4) a, b, c & d​

Answer 1

Answer:

Increase in length of a wire or a rod due to increase in temperature ab&c