CameraIcon

SearchIcon

MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Shear Modulus

a rod is 1m l...

Question

a rod is 1m long area A ,at one end temp is 100C and at other end it is 0C . temp at midpoint is,[ given thermal conductivity increase linearly with distance] ? 1-lessthan 50 2 -morethan 50 3- 50 4- indeterminate

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A rod of length

L

and uniform cross-sectional area has varying thermal conductivity which changes linearly from

2 K

B

K

at the other end

A

A

B

of the rod are maintained at constant temperature

100^{\circ} C

0^{\circ} C

, respectively. At steady state, the graph of temperature :

T = T (x)

x =

distance from end

A

Q. A long rod has one end at

0^{\circ} C

and other end at a high temperature. The coefficient of thermal conductivity varies with distance from the low temperature end as

k = k_{0} (1 + a x), w h e r e k_{0} = 10^{2}

a = 1 m^{- 1}

. At what distance from the first end the temperature will be

100^{\circ} C

? The area of cross-section is 1

c m^{2}

and rate of heat conduction is 1W.

Q. A cylindrical steel rod of length

0.10 m

and thermal conductivity

50 W m^{- 1} K^{- 1}

is welded end to end to copper rod of thermal conductivity

400 W m^{- 1} K^{- 1}

and of the same area of cross section but

0.20 m

long. The free end of the steel rod is maintained at

100

K and that of the copper rod at

0

K. Assuming that the rods are perfectly insulated from the surrounding, the temperature at the junction of the two rods is :

Q. The quantity of heat flowing for

10 s

through a rod of length

40 c m

50 c m^{2}

200 J

. If the temperature difference at the ends of the rod is 80

^{o}

C , the coefficient of thermal conductivity of the rod in Wm

^{- 1}

^{- 1}

Q. One end of a conducting rod is maintained at temperature

50^{\circ} C

and at the other end ice is melting at

0^{\circ} C

. The rate of melting of ice is doubled if

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Hooke's Law

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon