Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A source of light of power P is shown in figure. Find the force on the block placed in the path of the light rays. The surface of body on which the light beam is incident is having a reflection coefficient
10
Sep
A source of light of power P is shown in figure. Find the force on the block placed in the path of the light rays. The surface of body on which the light beam is incident is having a reflection coefficient Calculate the number of photons emitted in 10 h by a 60 W sodium [...]
(a) How many photons of a radiation of wavelength lemda = 5 * 10^-7 m must fall per second on a blackened plate in order to produce a force of 6.62 * 10^-5 N? (b) At what rate will the temperature
10
Sep
(a) How many photons of a radiation of wavelength lemda = 5 * 10^-7 m must fall per second on a blackened plate in order to produce a force of 6.62 * 10^-5 N? (b) At what rate will the temperature (a) How many photons of a radiation of wavelength lemda = 5 * 10^-7 [...]
The power of light emitted by the sun is 3.9 * 10^26 W. Assuming the mean wavelength of sunlight to be 6000 A, calculate the photon flux arriving at earth perpendicular to light radiations.
10
Sep
The power of light emitted by the sun is 3.9 * 10^26 W. Assuming the mean wavelength of sunlight to be 6000 A, calculate the photon flux arriving at earth perpendicular to light radiations. calculate the photon flux arriving at earth perpendicular to light radiations. The power of light emitted by the sun is 3.9 [...]
A bulb lamp emits light of mean wavelength of 4500 A. The lamp is rated at 150 W and 8% of the energy appears as emitted light. How many photons are emitted by the lamp per second?
10
Sep
A bulb lamp emits light of mean wavelength of 4500 A. The lamp is rated at 150 W and 8% of the energy appears as emitted light. How many photons are emitted by the lamp per second? A bulb lamp emits light of mean wavelength of 4500 A. The lamp is rated at 150 W [...]
Calculate the number of photons emitted in 10 h by a 60 W sodium lamp (lemda = 6200 A).
10
Sep
Calculate the number of photons emitted in 10 h by a 60 W sodium lamp (lemda = 6200 A). Calculate the number of photons emitted in 10 h by a 60 W sodium lamp (lemda = 6200 A). September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If a photon frequency f falls on the surface of earth from a height H, then what will be its frequency on the surface of earth.
10
Sep
If a photon frequency f falls on the surface of earth from a height H, then what will be its frequency on the surface of earth. If a photon frequency f falls on the surface of earth from a height H then what will be its frequency on the surface of earth. September 10, 2020 [...]
What is the energy (in eV) of a photon of wavelength 12400 A?
10
Sep
What is the energy (in eV) of a photon of wavelength 12400 A? What is the energy (in eV) of a photon of wavelength 12400 A? September 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Unpolarized light of intensity 32 W m^-2 passes through three polarizers such that the transmission axis of the last polarizer is crossed with the first. If the intensity of the emerging light is 3 W m^-2,
10
Sep
Unpolarized light of intensity 32 W m^-2 passes through three polarizers such that the transmission axis of the last polarizer is crossed with the first. If the intensity of the emerging light is 3 W m^-2, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases Sodium light has [...]
Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum?
10
Sep
Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum? lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases Sodium light has two wavelengths when is the visibility [...]
Two polaroids are placed 90 to each other. What happens when N-1 more polaroids are inserted between two crossed polaroids (at 90 to each other). Their axes are equally spaced. How does the transmitted intensity
10
Sep
Two polaroids are placed 90 to each other. What happens when N-1 more polaroids are inserted between two crossed polaroids (at 90 to each other). Their axes are equally spaced. How does the transmitted intensity one of them is rotated through 60. What percentage of incident unpolarized light will pass through the system? Two polaroids [...]