Class X

 Absolute zero is equal to 0 K, which is equal to
  1. 273 °C
  2. 546 °C
  3. 1 °C
  4. −273 °C
Formula for specific latent heat of fusion is
  1. Lf = m/lf
  2. Lf = lf/m
  3. lf = Lf × m
  4. lf = Lf/m
Melting point of wax is equal to 330 K, which is equal to
  1. 603 °C
  2. 57 °C
  3. −603 °C
  4. −57 °C
 Refrigerators are a bad example of
  1. Conduction
  2. Convection
  3. Radiation
  4. Conduction and radiation both
Light can travel in
  1. Air only
  2. Vacuum only
  3. Both air and vacuum
  4. None of mediums
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LKG - 12th

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