MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Conduction Law

A solid iron ...

Question

A solid iron sphere of density ρ, emissivity e, and specific heat C has radius R. If it is heated to temperature 400 K and suspended inside a chamber whose walls are almost 0 K, then what is the time required for the temperature of the sphere to drop to 200 K?

Open in App

Solution

Suggest Corrections

thumbs-up

0

Similar questions

Q. A solid copper sphere ( density

ρ

and specific heat C) of radius r at an initial temperature 200K is suspended inside a chamber whose walls are at almost 0K. What is the time required for temperature of the sphere to drop to 100K?

Q. A solid copper sphere(density

ρ

and specific heat c) of radius r at an initial temperature

200

K is suspended inside a chamber whose walls are at almost

0

K. The time required to the temperature of sphere to drop to

100

K is _________?

Q. A solid copper sphere (density

ρ

and specific heat capacity (c) of radius r at an initial temperature 200K is suspended inside a chamber whose walls are at almost 0K. The time required (in

μ

s) for the temperature of the sphere to drop to 100 K is

Q. A solid copper sphere of density

ρ,

c

r

is at temperature

T_{1}

. It is suspended inside a chamber whose walls are at temperature

0 K

. The time required for the temperature of sphere to drop to

T_{2}

\frac{r ρ c}{x e σ} (\frac{1}{T_{2}^{3}} - \frac{1}{T_{1}^{3}})

. Find the value of

x

?
Take the emmissivity of the sphere to be equal to

e

Q. A solid copper sphere of density

ρ,

c

r

is at temperature

T_{1}

. It is suspended inside a chamber whose walls are at temperature

0 K

. The time required for the temperature of sphere to drop to

T_{2}

\frac{r ρ c}{x e σ} (\frac{1}{T_{2}^{3}} - \frac{1}{T_{1}^{3}})

. Find the value of

x

?
Take the emmissivity of the sphere to be equal to

e

.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Conduction

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon