Home
Class 11
PHYSICS
In thermal steady state of rod, temperat...

In thermal steady state of rod, temperature gradient is `5^(@)` C/cm and temperature of its hot end is `100^(@)C`, then at . . . . . . cm distance from hot end its temperature becomes `60^(@)C`.

Text Solution

Verified by Experts

The correct Answer is:
8
`L=(T)/(dT//dx)=(40)/(5)=8cm`
Promotional Banner

Topper's Solved these Questions

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - C Objective Questions (VSQs) Match Type Questions|5 Videos

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - C Objective Questions (VSQs) Assertion and Reason Type Questions|5 Videos

  • THERMAL PROPERTIES OF MATTER

    KUMAR PRAKASHAN|Exercise Section - C Objective Questions (VSQs) Are the following Statements True or False ?|8 Videos

  • SYSTEMS OF PARTICLES AND ROTATIONAL MOTION

    KUMAR PRAKASHAN|Exercise SECTION-F (SECTION-D) QUESTIONS PAPER|1 Videos

  • THERMODYANMICS

    KUMAR PRAKASHAN|Exercise Question Paper|11 Videos

Similar Questions

Explore conceptually related problems

Value of temperature gradient is 80^(@) C/m on a rod of 0.5 m length. Temperature of hot end is 30^(@)C , then what is the temperature of cold end ?

For a thermocouple, the neutral temperature is 570^(@)C and the temperature of its cold junction is 50^(@)C . If there is no deflection in the galvanometer, the temperature of the hot junction should be

For a thermocouple, the neutral temperature is 270^(@)C and the temperature of its cold junction is 20^(@)C . If there is no deflection in the galvanometer, the temperature of the hot junction should be

For a thermocouple, the neutral temperature is 300^(@)C and the temperature of its cold junction is 30^(@)C . If there is no deflection in the galvanometer, the temperature of the hot junction should be

Heat given to a body which raises its temperature by 1^@C is

The temperature of a steel rod is 330K. Its temperature in 0^@ C is

What is the temperature of the steel - copper junction in the steady state of the system shown in Fig. Length of the steel rod = 15.0 cm, length of the copper rod = 10.0 cm, temperature of the furnace =400" "^(@)C , temperature of the other end =0" "^(@)C . The area of cross section of the steel rod is twice that of the copper rod. (Thermal conductivity of steel =50.2" J s"^(-1)m^(-1)K^(-1), and of copper =385" J s"^(-1)m-1" "K^(-1) ).

The temperature of the cold junction of thermo-couple is 0^(@)C and the temperature of hot junction is T^(@)C . The e.m.f . is E=16T-0.04 T^(2)mu volts. The temperature of inversion is