36. A body cools from 85° C to 80°C in 5 minutes. The time taken to cool from 80°C to 75°C is

1. 1. Less than 5 minutes

   
   
   

   2. More than 5 minutes

   
   
   

   3. 5 minutes

   
   
   

   4. None of these

   
   
   

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   N/A

   Correct Option: B

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37. Cooking taken longest time

1. 1. At the sea level

   
   
   

   2. At Simla

   
   
   

   3. At Mount Everest

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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38. Which colour of heat radiation represents the highest temperature?

1. 1. Blood red

   
   
   

   2. Dark cherry

   
   
   

   3. Salmon

   
   
   

   4. White

   
   
   

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   N/A

   Correct Option: D

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39. Temperature can be expressed as a derived quantity in terms of

1. 1. Length and mass

   
   
   

   2. Mass and time

   
   
   

   3. Length, mass and time

   
   
   

   4. None of these

   
   
   

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   N/A

   Correct Option: D

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40. Clear nights are colder than cloudy nights because of

1. 1. Conduction

   
   
   

   2. Condensation

   
   
   

   3. Radiation

   
   
   

   4. Isolation

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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