IIT JAM
profile-img
Aditi agrawal Asked a Question
June 15, 2020 12:41 pmpts 30 pts
  • IIT JAM
  • Physics (PH)

Disappears in 50 years, how much will remain after 100 years ? ans. 90.25y% 2. ifa thermometer is taken outdoors where the temperature is 0°c from a room in whi

disappears in 50 years, how much will remain after 100 years ? Ans. 90.25Y% 2. Ifa thermometer is taken outdoors where the temperature is 0°C from a room in which the temperature is 21°C and the reading drops to 10°C is I minute, how long after its removal will the reading be 5°C? Ans. 2 minutes, 13 seconds.
  • 3 Answer(s)
Answer Now
  • 0 Likes
  • 7 Comments
  • Shares
  • Chandra dhawan
    see this example also
    • cropped911834614.jpg
    • cropped1409198178.jpg
    Likes(1) Reply(1)
    Aditi agrawal
    sir i am not getting it please solve it once
  • Mahak Best Answer
    t=116 seconds
    • cropped5468470567736422969.jpg
    Likes(0) Reply(2)
    Aditi agrawal
    but the answer is 2 minutes 13 seconds
  • Chandra dhawan thankyou
    dear it's not acutual question but I hope it will help you see it
    Likes(1) Reply(0)
  • Dhairya sharma
    concept
    • cropped9074084405608216690.jpg
    Likes(1) Reply(1)
    Dhairya sharma
    this is the concept
  • Dhairya sharma thankyou
    m attaching a method only
    • cropped1407795024320590281.jpg
    Likes(1) Reply(2)
    Aditi agrawal
    i am not getting how to use it for the question . please solve it
  • Dhairya sharma
    see my next comment
    Likes(1) Reply(0)
  • Dhairya sharma
    u can use it
    • cropped7444523342351993269.jpg
    Likes(1) Reply(1)
    Aditi agrawal
    please explain the abbreviations