Class VII

Unit of heat energy is 
  1. Kilogram 
  2. Metre 
  3. Joule 
  4. Degree 
A polished silvery surface is 
  1. Good absorber of heat 
  2. Good reflector of heat 
  3. Poor reflector of heat 
  4. None of these 
During heavy exercise, breathing rate
  1. Remain same
  2. Decreases
  3. Increases
  4. First increase than decrease
In Fahrenheit scale, water freezes at 
  1. 00 F 
  2. 32o F 
  3. 40o F 
  4. 212o F 
Device used for measuring temperatures is called a 
  1. Barometer 
  2. Odometer 
  3. Thermometer 
  4. Speedometer 
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