CameraIcon

SearchIcon

MyQuestionIcon

1

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

Radiation

The wavelengt...

Question

The wavelength of radiation emitted by a body depends upon

A

The nature of its surface

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

The area of its surface

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

The temperature of its surface

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

All the above factors

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
The temperature of its surface

$λ_{m} T = c o n s t a n t$

Suggest Corrections

thumbs-up

0

Similar questions

Q. The surface area of a black body is

5 \times 10^{- 4} m^{2}

and its temperature is

727^{o} C

. The amount of radiation emitted by it per minute will be

Q. The amount of radiation emitted by a body depends on its temperature.

Q. A body surface area

5 c m^{2}

and temperature

727^{o} C

emits 300J of energy per minute.Find its emissivity

Q. The intensity of radiation emitted by the sun has its maximum value at a wavelength of

510 n m

and that emitted by the North Star has the maximum value at

350 n m

. If these stars behave like black bodies, the ratio of the surface temperature of the sun and the North Star is

Q. A 80 watt filament of a lamp loses all its energy by radiation from its surface. If the emissivity of the surface of filament is 0.4 and the area of the surface is

5 \times 10^{- 5} m^{2}

, calculate the temperature of the filament.
[

σ = 5.67 \times 10^{- 8} W / m^{2} K^{4}

. Neglect temperature of surroundings]

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Algebraic Identities

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard VII Physics

Join BYJU'S Learning Program

CrossIcon