CameraIcon

SearchIcon

MyQuestionIcon

1

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

The Experimental Setup

The phenomeno...

Question

The phenomenon which suggested that light is emitted in packets (quanta) is:

A

Electron diffraction

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

B

Photoelectric effect

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

C

Diffraction of light

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

D

All of the above

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

Open in App

Solution

The correct option is B Photoelectric effect
Photon is a minute energy packet of electromagnetic radiation.
This property is explained by photoelectric effect

Suggest Corrections

thumbs-up

0

Similar questions

A certain dye absorbs lights of $λ = 400 n m$ and then fluorescence light of wavelength $500 n m$ . Assuming that under the given condition, $40 %$ of the absorbed energy is re-emitted as fluorescence, the ratio of quanta absorbed to the number of quanta emitted out is ______.

Q. A certain dye absorbs light of

λ = 4530 ˚ A

and then fluorescence light of

5080 ˚ A

. Assuming that under given conditions

47 %

of the absorbed energy is re-emitted out as fluorescence, calculate the ratio of quanta emitted out to the no. of quanta absorbed. (

X \times 10

in this form to nearest integer)

Q. A certain dye absorbs light of

λ = 4530 A^{0}

and wavelength of fluorescence light is

5080 A^{0}

. Assuming that under given condition 47% of the absorbed energy is remitted out as fluorescence the ratio of quanta emitted out to the number of quanta absorbed is:

Q. A certain dye absorbs light of

λ = 4530 A^{0}

and then fluoroscence light of

5080 A^{0}

.Assuming that under given conditions 47% of the absorbed energy is reemited out as fluoroscence the ratio of quanta emitted out to the number of quanta absorbed.

Q. A certain dye absorbs light of

λ

A^{\circ}

and then fluoresces light of

λ

A^{\circ}

. Assuming that under given conditions, 45% of the absorbed energy is re-emitted out as fluorescence, calculate the ratio emitted out to the number of quanta absorbed.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

The Experimental Setup

PHYSICS

Watch in App

explore_more_icon

Explore more

The Experimental Setup

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon