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Recent questions tagged photoelectric effect
+3
votes
1
answer
State de-Broglie concept of dual nature of matter. How do dual nature of electron verified?
asked
Apr 5, 2019
in
Class 12
by
kratos
photoelectric effect
cbse
structure of the atom
quantum mechanical model of atom
class-11
matter waves
class-12
structure of atom
+3
votes
1
answer
Define the terms (i) 'cut-*** voltage' and (ii) 'threshold frequency' in relation to the phenomenon of photoelectric effect.
asked
Apr 4, 2019
in
Class 12
by
kratos
photoelectric effect
cbse
matter waves
dual nature of radiation and matter
class-12
+3
votes
1
answer
On illuminating a metal surface by 8.5 × 10^14 Hz, the emitted- electron’* maximum kinetic energy is 0.52 eV.
asked
Apr 3, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
matter waves
+2
votes
1
answer
Photoelectric effect supports quantum nature of light because
asked
Apr 2, 2019
in
Class 12
by
kratos
photoelectric effect
neet
aiims
dual nature of radiation and matter
wave-particle duality
class-12
+2
votes
1
answer
Light from a bulb falls on a wooden table but no photoelectron are emitted. Why?
asked
Mar 30, 2019
in
JEE
by
kratos
photoelectric effect
class- 11
class-11
jee
jee mains
class-12
wave particle quality
structure of atom
+3
votes
1
answer
The electron emitted from an electron *** are having 2 eV of kinetic energy,
asked
Mar 29, 2019
in
Class 12
by
kratos
photoelectric effect
neet
matter waves
jee
dual nature of radiation and matter
jee mains
class-12
+3
votes
1
answer
In photoelectric effect,we assume the photon energy is proportional to its frequency and is completely absorbed
asked
Mar 27, 2019
in
Class 12
by
kratos
photoelectric effect
neet
photons
cbse
aiims
matter waves
dual nature of radiation and matter
class-12
wave particle quality
+1
vote
1
answer
Consider a metal exposed to light of wavelength 600 nm. The maximum energy of the electron doubles when light of wavelength 400 snm is used.
asked
Mar 26, 2019
in
Class 12
by
kratos
photoelectric effect
neet
dual nature of radiation and matter
class-12
wave particle quality
+2
votes
1
answer
State properties of photons.
asked
Mar 23, 2019
in
JEE
by
kratos
photoelectric effect
cbse
jee main 2021
class-11
jee
dual nature of radiation and matter
jee main
class-12
+2
votes
1
answer
An atom absorbs a photon of wavelength 500 nm and emits another photon of wavelength 700 nm.
asked
Mar 22, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
wave particle quality
+3
votes
1
answer
if wavelength is double
asked
Mar 18, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
matter waves
+1
vote
1
answer
Draw graphs showing variation of photoelectric current with applied voltage for two incident radiations of equal frequency and different intensities.
asked
Mar 17, 2019
in
Physics
by
kratos
photoelectric effect
modern physics
cbse
dual nature of radiation and matter
class-12
+2
votes
1
answer
Figure shows a plot of stopping potential (V0) with frequency (v) of incident radiation
asked
Mar 14, 2019
in
Class 12
by
kratos
photoelectric effect
dual nature of radiation and matter
class-12
cbse
+3
votes
1
answer
A sphere of radius 100 cm is placed in the path of a parallel beam of light of large aperture.
asked
Mar 14, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
wave particle quality
+3
votes
1
answer
The curves (a), (b), (c) and (d) show the variation between the applied potential difference (V) and the photoelectric current (i),
asked
Mar 12, 2019
in
Class 12
by
kratos
photoelectric effect
cbse
dual nature of radiation and matter
de broglie relation
class-12
+1
vote
1
answer
Write Einstein'* Photoelectric equation and mention which important features in photoelectric effect.
asked
Mar 12, 2019
in
Class 12
by
kratos
photoelectric effect
dual nature of radiation and matter
class-12
cbse
+1
vote
1
answer
Describe with suitable diagrams the experiments to study the laws of photoelectric effect.
asked
Mar 10, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
matter waves
+3
votes
1
answer
A small piece of cesium metal (ϕ = 1.9 eV) is kept at a distance of 20 cm from a large metal plate having a charge density of 1.0 x 10^-9 J
asked
Mar 10, 2019
in
Class 12
by
kratos
photoelectric effect
class-12
wave particle quality
+2
votes
1
answer
Photoelectric emission from a given surface of metal can take place when the value of a ‘physical quantity’
asked
Mar 9, 2019
in
Class 12
by
kratos
photoelectric effect
dual nature of radiation and matter
class-12
wave-particle duality
+3
votes
1
answer
Regarding the photoelectric effect: a. It results in the production of Bremsstrahlung radiation
asked
Mar 8, 2019
in
Physics
by
kratos
photoelectric effect
jee main 2021
jee
matter waves
dual nature of radiation and matter
jee main
jee mains
class-12
particle physics
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