Find thermal capacity for a copper block of mass 0.2 kg, if specific heat capacity of copper is 290 J/kg °C.

1. Consider a metallic rod of length l0 fixed between two rigid supports at T°C.  If the temperature of rod is increased by ∆T, length of rod would become, l =...

Correct Answer - `(f=24N,a=2.4m//sec^(2))`

C) i → c, ii → a, iii → d, iv → b

Correct option is  D) 2, 6

Given: A = 0.5 m × 0.5 m = 0.25 m2, h = 1 cm = 10-2m, x = 0.015 mm = 15 × 10-6m n = 4.5 × 1010 N/m2 To find: Strain (θ). Shearing...

1. A change in the temperature of a body causes change in its dimensions. 2. The increase in the dimensions of a body due to an increase in its temperature is...

1. When the gas is heated at constant volume. there is no work done against external pressure.  2. Hence, all the supplied heat is used in raising the temperature of the...

Molar specific heat capacity = Molecular weight × principal specific heat capacity. i.e. CV = μ × SP and CV = μ × SV where, μ is the molecular weight of the gas. [Note: Symbols (SV) and...

m = 4 kg, s = 300 J/kg °C  ∆T = 30 – 20 = 10 °C To find: Heat received (Q) Formula: Q = ms∆T Calculation: From formula, Q = 4 × 300 ×...

Correct option is  B) more