Class X

Standard symbol for heat capacity is
  1. H
  2. C
  3. Q
  4. E
A scientist raises temperature of a solid of mass 40 kg from 20 °C to 40 °C, if energy used by solid is 8000 J, specific heat capacity of solid would be
  1. 2 J kg-1 °C-1
  2. 5 J kg-1 °C-1
  3. 10 J kg-1 °C-1
  4. 20 J kg-1 °C-1
Specific latent heat of hot chocolate is 60 J kg-1 and its latent heat is 3 J, mass of hot chocolate would be
  1. 180 J
  2. 20 J
  3. 63 J
  4. 57 J
 There are three kinds of equilibrium, which of following is odd one out?
  1. Stable equilibrium
  2. Metastable equilibrium
  3. Unstable equilibrium
  4. Neutral equilibrium
Error due to manually stopping a stopwatch is termed as
  1. Climax error
  2. Human reaction error
  3. Human reaction time
  4. Ratability error
Time Elapsed

HR : MIN : SEC
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