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Displaying 5 out
of 38
questions & answers.
Q1.
Match the following.
| Column I | Column II |
| i. 1 joule | a. Final stage of heat flow |
| ii. Equilibrium temperature | b. Good conductor |
| iii. 1 kilocalorie | c. At all temperatures |
| iv. Low specific heat capacity | d. High specific heat capacity |
| v. Evaporation | e. Constant temperature |
| vi. Solidification | f. 1/4.2 calories |
| vii. Water | g. 4200 joules |
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Answer:
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- (f) 1/4.2 calorie
- (a) Final stage of heat flow
- (g) 4200 Joule
- (b) Good conductor
- (c) At all temperature
- (e) At constant temperature
- (d) High specific heat capacity
Q2.
find the odd one out and give your reason.
brass, rubber, aluminium, copper
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Answer:
S A M P L E
Rubber is odd. Because rubber is bad conductor of heat while brass, aluminium, and copper are good conductors of heat.
Q3.
find the odd one out and give your reason.
boiling, melting, sublimation, freezing
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Answer:
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sublimation is odd . Because it is a direct conversion from solid state to gaseous state .
Q4.
find the odd one out and give your reason.
calorie, joule, joule per degree Celsius, kilocalorie
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Answer:
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'joule per digree celsius' is odd because it is a unit of specific heat capacity but others are unit of energy.
Q5.
Correlate the following.
- Heat:Calorie :: ______________ : J/kg°C
- SI unit : J/kg/K :: _____________ : cal / g°C
- Conductors : Low specific heat capacity :: _________ : High specific heat capacity
- Water : High specific heat capacity :: __________ : Low specific heat capacity
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Answer:
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- Kelvin(K)
- cgs
- Insulator
- Tin
