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Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to 1.5×10^−7 m , the stopping potential for emitted photoelectrons is
29
Nov
Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for emitted photoelectrons is 2.5 V . If the wavelength of incident light is reduced to 1.5×10^−7 m , the stopping potential for emitted photoelectrons is Light of wavelength 3×10^−7m is incident on a photosensitive surface . The stopping potential for [...]
Which metal among following has strongest tendency to undergo oxidation (a) Zn (b) Cu (c) Mg (d) Al
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Nov
Which metal among following has strongest tendency to undergo oxidation (a) Zn (b) Cu (c) Mg (d) Al Which metal among following has strongest tendency to undergo oxidation (a) Zn (b) Cu (c) Mg (d) Al November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following pair of transitional elements exhibit highest and lowest density (a) Os and Sc (b) Os and Pt
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Nov
Which of the following pair of transitional elements exhibit highest and lowest density (a) Os and Sc (b) Os and Pt Which of the following pair of transitional elements exhibit highest and lowest density (a) Os and Sc (b) Os and Pt November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6×10^−34J−s)
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Nov
A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6×10^−34J−s) A and B are two metals with threshold frequencies 2.8×10^14Hz and 2.2×10^14Hz. Photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted [...]
In the experimental arrangement of photoelectric effect, the metal surface is first illuminated with violet light and then with ultraviolet light and the stopping potential is determined in each case. The stopping potential will
29
Nov
In the experimental arrangement of photoelectric effect, the metal surface is first illuminated with violet light and then with ultraviolet light and the stopping potential is determined in each case. The stopping potential will In the experimental arrangement of photoelectric effect the metal surface is first illuminated with violet light and then with ultraviolet light [...]
A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit by
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Nov
A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit by A metal surface ejects electrons when hit by green light but none when hit by yellow light. The electrons will be ejected when the surface is hit [...]
Light of frequency v falls on material of threshold frequency v0 . Maximum kinetic energy of emitted electron is proportional to :
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Nov
Light of frequency v falls on material of threshold frequency v0 . Maximum kinetic energy of emitted electron is proportional to : Light of frequency v falls on material of threshold frequency v0 . Maximum kinetic energy of emitted electron is proportional to : November 29, 2020 Category: Chapter 11 - Dual Nature of Radiation [...]
Light of wavelength λ falls on a metal having work function hc/ λ0. Photoelectric effect will take place only if
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Nov
Light of wavelength λ falls on a metal having work function hc/ λ0. Photoelectric effect will take place only if Light of wavelength λ falls on a metal having work function hc/ λ0. Photoelectric effect will take place only if November 29, 2020 Category: Chapter 11 - Dual Nature of Radiation and Matter , MTG [...]
The main reason for not using a mercury electrolytic cell in NaOH manufacture is that (a) Hg is toxic (b) Hg is a liquid
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Nov
The main reason for not using a mercury electrolytic cell in NaOH manufacture is that (a) Hg is toxic (b) Hg is a liquid The main reason for not using a mercury electrolytic cell in NaOH manufacture is that (a) Hg is toxic (b) Hg is a liquid November 29, 2020 Category: Uncategorised (JEE Advanced [...]
Which is heaviest among the following (a) Iron (b) Copper (c) Gold (d) Silver
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Nov
Which is heaviest among the following (a) Iron (b) Copper (c) Gold (d) Silver Which is heaviest among the following (a) Iron (b) Copper (c) Gold (d) Silver November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,