When placed in air at 30^(@)C, the tempe...

When placed in air at `30^(@)C`, the temperature of a body decreases from `60^(@)C` to `50^(@)C` in ten minutes. After next ten minutes its temperature will be :-

A

Less than `40^@C`

B

`40^@C`

C

More than `40^@C`

D

Not definite

Text Solution

Verified by Experts

The correct Answer is:

C

Topper's Solved these Questions

HEAT TRANSFER & THERMAL EXPANSION
MOTION|Exercise EXERCISE - 2|45 Videos
HEAT TRANSFER & THERMAL EXPANSION
MOTION|Exercise Exercise - 3 Section-A|21 Videos
HEAT TRANSFER & THERMAL EXPANSION
MOTION|Exercise SPECIFIC PROBLEMS –|5 Videos
HEAT - 1
MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos
HEAT-2
MOTION|Exercise EXERCISE-4 (LEVEL-II)|30 Videos

Similar Questions

Explore conceptually related problems

A body cools from 60^(@)C to 50^(@)C in 10 minutes when kept in air at 30^(@)C . In the next 10 minut es its temperature will be

A body cools from 50^(@)C to 46^(@)C in 5 minutes and to 40^(@)C in the next 10 minutes. The surrounding temperature is :

Hot water cools from 60^(@)C to 50^(@)C in the first 10 minutes and to 45^(@)C in the next 10 minutes. The temperature of the surroundings is:

Certain quantity of water cools from 70^(@)C to 60^(@)C in the first 5 minutes and to 54^(@)C in the next 5 minutes. The temperature of the surrounding is

The temperature of a body falls from 50^(@)C to 40^(@)C in 10 minutes. If the temperature of the surroundings is 20^(@)C Then temperature of the body after another 10 minutes will be

A body cools from 40^@C to 30^@C in 5 minutes and to 26^@C in next 3 minutes. What will be the temperature of surroundings?

A body cools in 10 minutes from 60^(@)C to 40^(@)C . What is the temperature of the body after next 20 minutes? The temperatuer fo surroundings is 10^(@)C

A body cools down from 50^(@)C to 45^(@)C in 5 minutes and to 40^(@)C in another 8 minutes. Find the temperature of the surrounding.

MOTION-HEAT TRANSFER & THERMAL EXPANSION -EXERCISE - 1

is temperature of surroundings in K, then the value of K on the basis ...
Text Solution
|
A body takes, 4 minutes to cool from 100^(@)C to 70^(@)C, if the room ...
Text Solution
|
When placed in air at 30^(@)C, the temperature of a body decreases fro...
Text Solution
|
Frequency for maximum energy radiation of ideal black body at tempertu...
Text Solution
|
The wavelength of maximum emitted energy of a body at 700 K is 4.08 mu...
Text Solution
|
The spectral emissive power of a black body at a temperature of 6000K ...
Text Solution
|
Temperature of an ordinary bulb is 3000^@K. At what wave length will i...
Text Solution
|
If for a black body the graph of change is emissive power at different...
Text Solution
|
An iron ball is heated. The percentage increase will be the largest in...
Text Solution
|
Two holes of unequal diameters d(1) and d(2)(d(1)gt d(2)) are cut in m...
Text Solution
|
Two rods of length l(1) and l(2) are made of material whose coefficien...
Text Solution
|
A metallic bar is heated from 0^(@)C to 100^(@)C. The coefficient of l...
Text Solution
|
A metal wire of length jl and area of cross - section A is fixed betwe...
Text Solution
|
The temperatuire of a pendulum, the time period of which is t, is rais...
Text Solution
|
A pendulum clock has an iron pendulum 1 m long (alpha("iron")=10^(-5) ...
Text Solution
|
The density of a substance at 0^(@)C is 10 g//c c and at 100^(@)C, its...
Text Solution
|
A liquid with coefficient of volume expansion gamma is filled in a con...
Text Solution
|
If a bimetallic strip is heated it will
Text Solution
|
A breaker is filled with water at 4^@C. at one time the temperature i...
Text Solution
|
The variation of density of a solid with temperature is give by the fo...
Text Solution
|