Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The energy that should be added to an electron to reduce its de-Broglie wave length from 1 nm to 0.5 nm is
13
Sep
The energy that should be added to an electron to reduce its de-Broglie wave length from 1 nm to 0.5 nm is The energy that should be added to an electron to reduce its de-Broglie wave length from 1 nm to 0.5 nm is September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
An electron is moving through a field. It is moving (i) opposite an electric field (ii) perpendicular to a magnetic field as shown. For each situation the de – Broglie wave length of electron
13
Sep
An electron is moving through a field. It is moving (i) opposite an electric field (ii) perpendicular to a magnetic field as shown. For each situation the de – Broglie wave length of electron An electron is moving through a field. It is moving (i) opposite an electric field (ii) perpendicular to a magnetic field [...]
Which of the following figure represents the varition of particle momentum and the associated de-Broglie wavelength?
13
Sep
Which of the following figure represents the varition of particle momentum and the associated de-Broglie wavelength? Which of the following figure represents the varition of particle momentum and the associated de-Broglie wavelength? September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Radiation pressure on any surface:
13
Sep
Radiation pressure on any surface: Radiation pressure on any surface: September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The radiation force experienced by body exposed to radiation of intensity I, assuming surface of body to be perfectly absorbing is
13
Sep
The radiation force experienced by body exposed to radiation of intensity I, assuming surface of body to be perfectly absorbing is assuming surface of body to be perfectly absorbing is The radiation force experienced by body exposed to radiation of intensity I September 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
The eye can detect 5 × 10^4 photons (m^2/s) of green light ( λ = 5000 A ) , whole ear can detect 10^−13 Wm^2 . As a power detector, which is more sensitive and by what factor?
13
Sep
The eye can detect 5 × 10^4 photons (m^2/s) of green light ( λ = 5000 A ) , whole ear can detect 10^−13 Wm^2 . As a power detector, which is more sensitive and by what factor? The eye can detect 5 × 10^4 photons (m^2/s) of green light ( λ = 5000 A [...]
The minimum intensityof light to be detected by human eye is 10^-10 W/m^2. The number of photons of wave length 5.6 x 10 ^-7 m entering the eye, with pupil area 10^-6 m^2, per second for vision will be nearly
13
Sep
The minimum intensityof light to be detected by human eye is 10^-10 W/m^2. The number of photons of wave length 5.6 x 10 ^-7 m entering the eye, with pupil area 10^-6 m^2, per second for vision will be nearly per second for vision will be nearly The minimum intensityof light to be detected by [...]
A silver of radius 4.8 cm is suspended by a thread in the vacuum chamber . UV light of wavelength 200nm is incident on the ball for some times during which a total energy of 1×10^−7J falls on the surface . Assuming on an average one out of 10^6 photons incident is able to eject electron. The potential on sphere will be
13
Sep
A silver of radius 4.8 cm is suspended by a thread in the vacuum chamber . UV light of wavelength 200nm is incident on the ball for some times during which a total energy of 1×10^−7J falls on the surface . Assuming on an average one out of 10^6 photons incident is able to eject [...]
An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi (Eo = constant >0). Its de-Broglie wavelength at time t is given by
13
Sep
An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi (Eo = constant >0). Its de-Broglie wavelength at time t is given by An electron (mass m) with an initial velocity v = vo i (vo>0) is in an electric field E = -Eoi [...]
If white light of range 400 – 700 nm has replaced 600 nm light, one of the wave lengths of light that forms maxima exactly at point O will be
13
Sep
If white light of range 400 – 700 nm has replaced 600 nm light, one of the wave lengths of light that forms maxima exactly at point O will be If white light of range 400 - 700 nm has replaced 600 nm light one of the wave lengths of light that forms maxima exactly [...]