What is the de Broglie wavelength of\r(a) a bullet of mass 0.040 kg travelling at the speed of 1.0 km
2:14
What is the de Broglie wavelength of\r(a) a bullet of mass 0.040 kg travelling at the speed of 1.0 km
7 сағат бұрын
Light of wavelength 488 nm is produced by an argon laser which is\rused in the photoelectric effect.
2:06
Light of wavelength 488 nm is produced by an argon laser which is\rused in the photoelectric effect.
14 сағат бұрын
Light of frequency 7.21 × 1014 Hz is incident on a metal surface.\rElectrons with a maximum speed of
2:22
Light of frequency 7.21 × 1014 Hz is incident on a metal surface.\rElectrons with a maximum speed of
Күн бұрын
The work function for a certain metal is 4.2 eV. Will this metal give\rphotoelectric emission for inc
2:21
The work function for a certain metal is 4.2 eV. Will this metal give\rphotoelectric emission for inc
Күн бұрын
The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light\rof frequency 8.2 × 1014 Hz is
2:32
The threshold frequency for a certain metal is 3.3 × 1014 Hz. If light\rof frequency 8.2 × 1014 Hz is
14 күн бұрын
In an experiment on photoelectric effect, the slope of the cut-off voltage\rversus frequency of incid
2:23
In an experiment on photoelectric effect, the slope of the cut-off voltage\rversus frequency of incid
14 күн бұрын
Monochromatic light of wavelength 632.8 nm is produced by a\rhelium-neon laser. The power emitted is
4:33
Monochromatic light of wavelength 632.8 nm is produced by a\rhelium-neon laser. The power emitted is
14 күн бұрын
The photoelectric cut-off voltage in a certain experiment is 1.5 V.\rWhat is the maximum kinetic ener
0:59
The photoelectric cut-off voltage in a certain experiment is 1.5 V.\rWhat is the maximum kinetic ener
14 күн бұрын
The work function of caesium metal is 2.14 eV. When light of\rfrequency 6 ×1014Hz is incident on the
7:00
The work function of caesium metal is 2.14 eV. When light of\rfrequency 6 ×1014Hz is incident on the
14 күн бұрын
Find the\r(a) maximum frequency, and\r(b) minimum wavelength of X-rays produced by 30 kV electrons
3:38
Find the\r(a) maximum frequency, and\r(b) minimum wavelength of X-rays produced by 30 kV electrons
14 күн бұрын
semiconductor one shot video , chapter 14 class 12, chapter complete in one hour.
58:10
semiconductor one shot video , chapter 14 class 12, chapter complete in one hour.
2 ай бұрын
How much should the pressure on a litre of water be changed to compress it by 0.10%?\rcarry one quart
1:37
How much should the pressure on a litre of water be changed to compress it by 0.10%?\rcarry one quart
2 ай бұрын
Determine the volume contraction of a solid copper cube, 10 cm on an edge, when\rsubjected to a hydra
2:02
Determine the volume contraction of a solid copper cube, 10 cm on an edge, when\rsubjected to a hydra
2 ай бұрын
Compute the fractional change in volume of a glass slab, when subjected to a hydraulic\rpressure of
1:42
Compute the fractional change in volume of a glass slab, when subjected to a hydraulic\rpressure of
2 ай бұрын
What is the density of water at a depth where pressure is 80.0 atm, given that its\rdensity at the s
5:15
What is the density of water at a depth where pressure is 80.0 atm, given that its\rdensity at the s
2 ай бұрын
Compute the bulk modulus of water from the following data: Initial volume = 100.0\rlitre, Pressure in
4:21
Compute the bulk modulus of water from the following data: Initial volume = 100.0\rlitre, Pressure in
2 ай бұрын
Compound microscope, image at infinity, normal adjustment,
10:39
Compound microscope, image at infinity, normal adjustment,
3 ай бұрын
important topics of Physics class 12 CBSE
0:09
important topics of Physics class 12 CBSE
4 ай бұрын
Three bulbs, each having a resistance of 180 Ω, are\rconnected in parallel to an ideal battery of emf
2:43
Three bulbs, each having a resistance of 180 Ω, are\rconnected in parallel to an ideal battery of emf
5 ай бұрын
The resistance of the rheostat shown in figure (32-E5)\ris 30 Ω. Neglecting the meter resistance, fin
2:31
The resistance of the rheostat shown in figure (32-E5)\ris 30 Ω. Neglecting the meter resistance, fin
5 ай бұрын
If the reading of ammeter A1 in figure (32-E4) is 2.\r4 A,\rwhat will the ammeters A2 and A3 read ?
1:44
If the reading of ammeter A1 in figure (32-E4) is 2.\r4 A,\rwhat will the ammeters A2 and A3 read ?
5 ай бұрын
A battery of emf 100 V and a resistor of resistance 10 kΩ\rare joined in series. This system is used
1:42
A battery of emf 100 V and a resistor of resistance 10 kΩ\rare joined in series. This system is used
5 ай бұрын
Consider N = n1n2 identical cells, each of emf E and\rinternal resistance r. Suppose n1 cells are joi
7:25
Consider N = n1n2 identical cells, each of emf E and\rinternal resistance r. Suppose n1 cells are joi
6 ай бұрын
Find the value of i1 /i2 in figure (32-E3) if (a) R = 0.1 Ω,\r(b) R = 1 Ω (c) R = 10 Ω. Note from you
5:14
Find the value of i1 /i2 in figure (32-E3) if (a) R = 0.1 Ω,\r(b) R = 1 Ω (c) R = 10 Ω. Note from you
7 ай бұрын
The internal resistance of an accumulator battery of emf\r6 V is 10 Ω when it is fully discharged. As
1:52
The internal resistance of an accumulator battery of emf\r6 V is 10 Ω when it is fully discharged. As
7 ай бұрын
The potential difference between the terminals of a 6.0 V\rbattery is 7.2 V when it is being charged
1:43
The potential difference between the terminals of a 6.0 V\rbattery is 7.2 V when it is being charged
7 ай бұрын
The potential difference between the terminals of a\rbattery of emf 6.0 V and internal resistance 1 Ω
3:03
The potential difference between the terminals of a\rbattery of emf 6.0 V and internal resistance 1 Ω
7 ай бұрын
Figure (32-E2) shows an arrangement to measure the emf\rE and internal resistance r of a battery. The
1:47
Figure (32-E2) shows an arrangement to measure the emf\rE and internal resistance r of a battery. The
7 ай бұрын
The current in a conductor and the potential difference across its ends are measured by an ammeter a
3:42
The current in a conductor and the potential difference across its ends are measured by an ammeter a
7 ай бұрын
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