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In an experiment on the photoelectric effect, an evacuated photocell with a pure metal cathode is used. Which graph best represents the variation of V, the minimum potential difference
12
Oct
In an experiment on the photoelectric effect, an evacuated photocell with a pure metal cathode is used. Which graph best represents the variation of V, the minimum potential difference an evacuated photocell with a pure metal cathode is used. Which graph best represents the variation of V In an experiment on the photoelectric effect the [...]
A surface irradiated with light lemda = 480 nm gives out electrons with maximum velocity v m/s, the cut off wavelength being 600 nm. The same surface would release electrons
12
Oct
A surface irradiated with light lemda = 480 nm gives out electrons with maximum velocity v m/s, the cut off wavelength being 600 nm. The same surface would release electrons A surface irradiated with light lemda = 480 nm gives out electrons with maximum velocity v m/s the cut off wavelength being 600 nm. The [...]
Electrons travelling at a velocity of 2.4 * 10^6 m/s enter a region of crossed electric and magnetic fields as shown in figure. If the electric field is 3.0 * 10^6 Vm and the flux density
12
Oct
Electrons travelling at a velocity of 2.4 * 10^6 m/s enter a region of crossed electric and magnetic fields as shown in figure. If the electric field is 3.0 * 10^6 Vm and the flux density Electrons travelling at a velocity of 2.4 * 10^6 m/s enter a region of crossed electric and magnetic fields [...]
In Q.14, the intercept on the y-axis is equal to
12
Oct
In Q.14, the intercept on the y-axis is equal to In Q.14 the intercept on the y-axis is equal to October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Representing the stopping potential V along y-axis and (1/lemda) along x-axis for a given photocathode, the curve is a straight line, the slope of which is equal to
12
Oct
Representing the stopping potential V along y-axis and (1/lemda) along x-axis for a given photocathode, the curve is a straight line, the slope of which is equal to Representing the stopping potential V along y-axis and (1/lemda) along x-axis for a given photocathode the curve is a straight line the slope of which is equal [...]
The work function for sodium surface is 2.0 eV and that for aluminium surface is 4.2 eV. The two metals are illuminated with appropriate radiation so as to cause photoemission. Then
12
Oct
The work function for sodium surface is 2.0 eV and that for aluminium surface is 4.2 eV. The two metals are illuminated with appropriate radiation so as to cause photoemission. Then The work function for sodium surface is 2.0 eV and that for aluminium surface is 4.2 eV. The two metals are illuminated with appropriate [...]
Monochromatic light incident on a metal surface emits electrons with kinetic energies from zero to 2.6 eV. What is the least energy of the incident photon if the tightly bound electron
12
Oct
Monochromatic light incident on a metal surface emits electrons with kinetic energies from zero to 2.6 eV. What is the least energy of the incident photon if the tightly bound electron Monochromatic light incident on a metal surface emits electrons with kinetic energies from zero to 2.6 eV. What is the least energy of the [...]
In the experiment on photoelectric effect, the graph between Ek(max) and v is found to be a straight line as shown in figure.
12
Oct
In the experiment on photoelectric effect, the graph between Ek(max) and v is found to be a straight line as shown in figure. In the experiment on photoelectric effect the graph between Ek(max) and v is found to be a straight line as shown in figure. October 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
If a surface has work function of 3.00 eV, the longest wavelength of light which will cause the emission of electrons is
12
Oct
If a surface has work function of 3.00 eV, the longest wavelength of light which will cause the emission of electrons is If a surface has work function of 3.00 eV the longest wavelength of light which will cause the emission of electrons is October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
4. Divide as directed. (ii) 26xy(x+5)(y–4)÷13x(y–4)
12
Oct
4. Divide as directed. (ii) 26xy(x+5)(y–4)÷13x(y–4) 4. Divide as directed. (ii) 26xy(x+5)(y–4)÷13x(y–4) October 12, 2020 Category: Chapter 14 - Factorisation , Maths , NCERT Class 8 ,