1:26
P-30 Dual nature of radiation Short/V.short SL Arora: are matter waves electromagnetic ? write de-br
3:18
P-19 Dual nature of radiation Short/V.short SL Arora: Electrons are emitted from a photo sensitive s
3:12
P-3 Dual nature of radiation Short/V.short SL Arora: write the basic feature of photon picture of el
2:28
P-21 Dual nature of radiation Short/V.short SL Arora: How does the maximum kinetic energy of electr
1:35
P-18 Dual nature of radiation Short/V.short SL Arora: Two beams one of red and the other of blue lig
2:14
P-17 Dual nature of radiation Short/V.short SL Arora: Does the 'stopping potential' in photo electri
1:46
P-34 Dual nature of radiation Short/V.short SL Arora: The most probable kinetic energy of thermal ne
1:45
P-12 Dual nature of radiation Short/V.short SL Arora: Work function of aluminium is 4.2 eV .If two p
8:42
P-8 Dual nature of radiation Short/V.short SL Arora: Define the terms (i) 'cut-off voltage' and (ii)
1:54
P-40 Dual nature of radiation Short/V.short SL Arora: An electron and a proton have the same de-brog
2:54
P-19 Dual nature of radiation Short/V.short SL Arora: Two monochromatic radiations of frequencies v1
2:38
P-22 Dual nature of radiation Short/V.short SL Arora: A source of light is placed at a distance of
2:31
P-1 Dual nature of radiation Short/V.short SL Arora: Define photoelectric work function. How is it r
2:11
P-9 Dual nature of radiation Short/V.short SL Arora: How does one explain the emission of electron f
1:47
P-4 Dual nature of radiation Short/V.short SL Arora: If the wavelength of an electromagnetic radiat
3:40
P-31 Dual nature of radiation Short/V.short SL Arora: An electron ,alpha particle and a proton have
1:13
P-28 Dual nature of radiation Short/V.short SL Arora: State de-broglie hypothesis .
1:28
P-7 Dual nature of radiation Short/V.short SL Arora: In the wave picture of light, intensity of ligh
2:45
P-17 Dual nature of radiation Short/V.short SL Arora: The graph of fig. 10.26 shown variation of pho
1:32
P-33 Dual nature of radiation Short/V.short SL Arora: The de-Broglie wavelength of a particle of kin
3:59
P-1 Dual nature of radiation Short/V.short SL Arora: Describe briefly the experimentally observed f
2:49
P-30 Dual nature of radiation Short/V.short SL Arora: An electron and a proton are accelerated throu
P-16 Dual nature of radiation Short/V.short SL Arora: Ultraviolet light is incident on two photosens
1:30
P-31 Dual nature of radiation Short/V.short SL Arora: Why are de-Broglie waves associated with a mo
3:10
P-7 Dual nature of radiation Short/V.short SL Arora: obtain an expression for the threshold frequenc
2:20
P-15 Dual nature of radiation Short/V.short SL Arora: two metals A and B have work functions 4eV and
6:57
P-11 Dual nature of radiation Short/V.short SL Arora: Sketch the graphe showing the variation of sto
1:10
P-32 Dual nature of radiation Short/V.short SL Arora: What inference was drawn from Davisson and Ge
1:18
P-26 Dual nature of radiation Short/V.short SL Arora: The stopping potential in an experiment on pho
2:05
P-25 Dual nature of radiation Short/V.short SL Arora: the frequency v of incident radiation is great
1:31
P-27 Dual nature of radiation Short/V.short SL Arora: the maximum kinetic energy of a photoelectron
1:57
P-8 Dual nature of radiation Very short SL Arora: for a monochromatic radiation incident on a photos
3:04
P-20 Dual nature of radiation Very short/short SL Arora: When a monochromatic yellow coloured light
4:00
P-2 Dual nature of radiation Very short/short SL Arora: write three characteristic features in photo
6:59
P-4 Dual nature of radiation Very short/short SL Arora:(a) when radiation of frequency v is incident
4:09
P-5 Dual nature of radiation Very short/short SL Arora: Write two characteristic features observed i
4:08
P-6 Dual nature of radiation Very short/short SL Arora: Draw a graph between the frequency of incid
6:20
P-9 Dual nature of radiation Very short/short SL Arora: Sketch a graph between frequency of incident
5:29
P-10 Dual nature of radiation Very short/short SL Arora: When a given photosensitive material is irr
3:16
P-11 Dual nature of radiation Very short/short SL Arora: Figures 10.22 shows variation of stopping p
5:03
P-12 Dual nature of radiation Very short/short SL Arora: Figure 10.21 shows the variation of stoppin
5:35
P-14 Dual nature of radiation Very short/short SL Arora: Fig 10.23(a) shows the variation of the sto
3:39
P-15 Dual nature of radiation Very short/short SL Arora: sketch the graph showing variation of stop
3:46
P-16 Dual nature of radiation Very short/short SL Arora: draw a plot showing the variation of photoe
4:34
P-22 Dual nature of radiation Very short/short SL Arora: Explain giving reasons for the following (a
2:57
P-18 Dual nature of radiation Very short/short SL Arora:figure 10.27 shows a plot of three curves a,
5:27
P-21 Dual nature of radiation Very short/short SL Arora: Write Einstein's photoelectric equation and
3:24
P-20 Dual nature of radiation Very short/short SL Arora: For a photosensitive surface ,threshold wav
3:30
P-23 Dual nature of radiation Very short/short SL Arora: A beam of monochromatic radiation is incide
4:23
P-24 Dual nature of radiation Very short/short SL Arora: Light of intensity I and frequency v is inc
4:46
P-25 Dual nature of radiation Very short/short SL Arora: State how in a photo-cell the work function
P-26 Dual nature of radiation Very short/short SL Arora: If the frequency of the incident radiation
3:34
P-27 Dual nature of radiation Very short/short SL Arora: Radiation of frequency 10^15 Hz is incident
4:04
P-38 Dual nature of radiation Very short/short SL Arora: An electron and a photon each have de-Brog
3:54
P-28 Dual nature of radiation Very short/short SL Arora:(i) State two important features of Einstein
2:47
P-32 Dual nature of radiation Very short/short SL Arora: An alpha particle and a proton are accelera
2:44
P-34 Dual nature of radiation Very short/short SL Arora: Plot a graph showing variation of de-brogl
4:26
P-36 Dual nature of radiation Very short/short SL Arora: (a) what reasoning led de-Broglie to put fo
3:03
P-39 Dual nature of radiation Very short/short SL Arora: calculate the ratio of the accelerating pot
3:25
P-33 Dual nature of radiation Very short/short SL Arora: Mention the significance of devisson-germer
4:25
P-29 Dual nature of radiation Very short/short SL Arora: A proton and an alpha particle are accelera
3:00
P-35 Dual nature of radiation Very short/short SL Arora: A proton and alpha particle have the same d
3:06
P-37 Dual nature of radiation Very short/short SL Arora: compare the energy of an electron of de-bro