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The potential difference V required for accelerating an electron to have the de Broglie wavelength of 1Å is
28
Nov
The potential difference V required for accelerating an electron to have the de Broglie wavelength of 1Å is The potential difference V required for accelerating an electron to have the de Broglie wavelength of 1Å is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
Which of the following is the wrong statement (a) ONCl and ONO- are isoelectronic (b) O3 molecule is bent (c) Ozone is voilet-black in solid state
28
Nov
Which of the following is the wrong statement (a) ONCl and ONO- are isoelectronic (b) O3 molecule is bent (c) Ozone is voilet-black in solid state Which of the following is the wrong statement (a) ONCl and ONO- are isoelectronic (b) O3 molecule is bent (c) Ozone is voilet-black in solid state November 28, 2020 [...]
The maximum velocities of the photo- electrons ejected are v and 2v for the incident light of wavelength 400 nm and 250 nm on a metal surface respectively. The work function of the metal in terms of Planck’s constant h and velocity of light c is
28
Nov
The maximum velocities of the photo- electrons ejected are v and 2v for the incident light of wavelength 400 nm and 250 nm on a metal surface respectively. The work function of the metal in terms of Planck’s constant h and velocity of light c is What is the energy of photon whose wavelength is [...]
The shape of XeO2F2 molecule is (a) Trigonal bipyramidal (b) Square planar (c) Tetrahedral (d) See-saw
28
Nov
The shape of XeO2F2 molecule is (a) Trigonal bipyramidal (b) Square planar (c) Tetrahedral (d) See-saw The shape of XeO2F2 molecule is (a) Trigonal bipyramidal (b) Square planar (c) Tetrahedral (d) See-saw November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : As work function of a material increases by some mechanism, it requires greater energy to excite the electrons from its surface. Reason : A plot of stopping potential (Vs) versus frequency (υ) for different metals, has greater slope for metals with greater work functions.
28
Nov
Assertion : As work function of a material increases by some mechanism, it requires greater energy to excite the electrons from its surface. Reason : A plot of stopping potential (Vs) versus frequency (υ) for different metals, has greater slope for metals with greater work functions. Assertion : As work function of a material increases [...]
Extra pure N2 can be obtained by heating (a) NH3 with CuO (b) NH4NO3 (c) (NH4)2Cr2O7
28
Nov
Extra pure N2 can be obtained by heating (a) NH3 with CuO (b) NH4NO3 (c) (NH4)2Cr2O7 Extra pure N2 can be obtained by heating (a) NH3 with CuO (b) NH4NO3 (c) (NH4)2Cr2O7 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion: On increasing the frequency of light larger number of photoelectrons are emitted. Reason : The number of electrons emitted is directly proportional to the intensity of incident light.
28
Nov
Assertion: On increasing the frequency of light larger number of photoelectrons are emitted. Reason : The number of electrons emitted is directly proportional to the intensity of incident light. Assertion: On increasing the frequency of light larger number of photoelectrons are emitted. Reason : The number of electrons emitted is directly proportional to the intensity [...]
The reaction of P4 with X leads selectively to P4O6. The X is (a) Dry O2 (b) A mixture of O2 and N2 (c) Moist O2
28
Nov
The reaction of P4 with X leads selectively to P4O6. The X is (a) Dry O2 (b) A mixture of O2 and N2 (c) Moist O2 The reaction of P4 with X leads selectively to P4O6. The X is (a) Dry O2 (b) A mixture of O2 and N2 (c) Moist O2 November 28, 2020 [...]
Assertion : The kinetic energy of the emitted photo-electrons changes only with a change in the frequency of the incident radiations. Reason : The kinetic energy of photoelectrons emitted by a photo-sensitive surface depends upon the intensity of the incident radiation.
28
Nov
Assertion : The kinetic energy of the emitted photo-electrons changes only with a change in the frequency of the incident radiations. Reason : The kinetic energy of photoelectrons emitted by a photo-sensitive surface depends upon the intensity of the incident radiation. What is the energy of photon whose wavelength is 6840 Å ? November 28, [...]
Maximum velocity of the photoelectron emitted by a metal is 1.8×10^6 ms^−1. Take the value of specific charge of the electron is 1.8×10^11 C kg^−1. Then the stopping potential in volt is
28
Nov
Maximum velocity of the photoelectron emitted by a metal is 1.8×10^6 ms^−1. Take the value of specific charge of the electron is 1.8×10^11 C kg^−1. Then the stopping potential in volt is Maximum velocity of the photoelectron emitted by a metal is 1.8×10^6 ms^−1. Take the value of specific charge of the electron is 1.8×10^11 [...]