NTSE SAT Physics Heat Temperature and Thermometer MCQs

Question: A boy is suffering from fever and doctor said that his body temperature is 105. Then temperature should be expressed in :

• a) °C 
• b) °F
• c) K
• d) All of these

Answer: 0F

Question: A manufacture marks the thermometer wrongly. At 00 C it reads - 100 C, at 1000 C it reads 850 C. Then the reading at 500C will be :          

• a) 400C
• b) 32.50C 
• c) 37.50C  
• d) 42.50C

Answer: 37.50C  

Question: A graph was plotted between temperature is 0C (taking along x-axis) and temperature in Kelvin (along-y-axis), then which of the curve most correctly represent this behavior :

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: A student performs an experiment on ice of 1500 gm at 00C and wants to convert in into water at 00C. The quantity of heat required for the above experiment will be (L - Latent heat of fusion of ice): 

• a) 1500 L
• b) 1.5 L
• c) 150 L
• d) 0.15 L

Answer: 1500 L

Question: The surface of water in a lake is just going to freeze. What is the temperature of water at the bottom and at upper surface respectively :

• a) 40C, 00C    
• b) Less than 00C, 00C   
• c) 00C, 00C 
• d) More than 40C, 00C

Answer:  40C, 00C

Question: Normal temperature of human body is nearly :

• a) 300C
• b) 370C  
• c) 350C
• d) 450C

Answer: 370C  

Question: Mercury is used a thermometric liquid because :

• a) If has low boiling point (B.P.) and high melting point (M.P.)
• b) It has high B.P. and low M.P.
• c) It has low B.P. and low M.P.
• d) It has high B.P. and high M.P.

Answer: It has high B.P. and low M.P.

Question: The value of 50C in 0F and K scale will be respectively :

• a) 41, 279
• b) 278, 41
• c) 41, 278
• d) -23, 278

Answer: 41, 278

Question: At dew point, relative humidity (RH) is :

• a) 10%
• b) 20%
• c) 50%
• d) 100%

Answer: 100% 

Question: A temperature difference of 300C in the Fahrenheit scale is :  

• a) 540F 
• b) 270F
• c) 860F 
• d) -540F

Answer: 540F 

Question: Which is correct statement _

• a) 1 K rise is equal to 10C rise          
• b) 1 K rise is equal to 2730C rise
• c) 1 K fall is equal to 2730C rise 
• d) 1 K rise is equal to 1000 C rise

Answer:  1 K rise is equal to 10C rise          

Question: Which graph represents correct curve between 0C along y-axis and 0F along x-axis :

• a)

  

• b)

  

• c)

  

• d)

  

Answer:

Question: Normal temperature of human body is nearly :

• a) 300C
• b) 370C  
• c) 350C 
• d) 450C 

Answer: 370C  

Question: A manufacture marks the thermometer wrongly. At 00 C it reads - 100 C, at 1000 C it reads 850 C. Then the reading at 500C will be :         

• a) 400C
• b) 32.50C   
• c) 37.50C  
• d) 42.50C

Answer: 37.50C  

Question: A boy is suffering from fever and doctor said that his body temperature is 105. Then temperature should be expressed in :

• a) °C
• b) °F 
• c) K
• d) All of these

Answer: 0F