A body cools from 50 to 40 in 5 minutes

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Doc 7 Pages. Video min. Doc 23 Pages. Doc 17 Pages. Doc 21 Pages. Sign in Open App. A body cools from 50 degree c to 40 degree c in 5 minutes.

A body cools from 50 to 40 in 5 minutes

Last updated on Feb 6, The exam will be from 28th to 31st December Candidates can check the notification on the official website. Also note that separate cycles are going on for Sanskrit Education and Secondary Education Departments. Get Started. English Hindi. This question was previously asked in. Start Now. The plot for the rate of change of temperature is steeper in the beginning and as the temperature decreases with time, it becomes gradual; hence the rate of cooling is higher at the beginning and decreases as the temperature of the body falls. Learn today! Trusted by 5. A styrofoam sheet of thickness 5 cm and area 0. The rate of heat flow through the sheet [thermal conductivity is 0.

Physics Class In previous problem, the ratio of the initial rates of cooling i. Please Enter valid email.

A body cools from 50C to 40C in 5min. The surroundings temperature is 20C. In what further time in minutes will it cool to 30C. Use approximate method. Find temperature of body in next 5 mintues. The surrounding temperature is :.

The rate of loss of heat by a body is directly proportional to its excess temperature over that of the surroundings provided that this excess is small. Calculate the temperature of the enclosure. A body cools at the rate of 0. A metal sphere cools at the rate of 0. At what temperature will its rate of cooling be half that at the beginning? Ans: At temperature A heated metal ball is placed in cooler surroundings.

A body cools from 50 to 40 in 5 minutes

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Continue with Facebook. The temperature of the surrounding is 1 15 degree c 2 20 degree c 3 25 degree c 4 10 degree c? The following is the relation between the object distance and the image distance in a plane mirror image :. Video Solution. Enter OTP. Find the temperature of surroundings. Community Answer. The temperature of the surrounding is. View Solution. The surroundings temperature is 20C. Suggested Exams. The plots of intensity versus wavelength for three black bodies at tem Register Now. Scan this QR code to download the app for Free.

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View Solution. School Board Live Online classes. Three black bodies A, B and C in the form of cubes of sides in the rat The ratio of the rates of fall of temperature during the two intervals is. The power radiated by a black body is P and it radiates maximum energy Text Solution. Studying in Grade 6th to 12th? Scan the QR code to for best learning experience! Which of the following is the correct relation between t1 and t2? Follow Us. Sign in Open App. Enter OTP. Get App.