Directions: The question is based on the pie chart given below. Constituents of Sunrays received in 1 minute.

Total sunrays received in 1 minute = 3600 units

If the human body can withstand a maximum of 9720 units of IR rays, when exposed to the sun continuously, then what is the maximum time (in minutes) that any person   could stand in the sun without crossing the threshold limit of IR rays?

 

 

 

 

  • Option 1)

     

    25

     

  • Option 2)

     

    23

     

  • Option 3)

     

    27

     

  • Option 4)

     

    29

     

  • Option 5)

     

    19

     

Answers (1)

Total sunray received in 1 min = 3600

So IR rays received is 10%

10 % of IR = 360

Total energy received = 9720

Limit time= 9720/360 = 27 minutes

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