Find the (a) maximum frequency and
Light of frequency 7.21×10^14Hz is incident on a metal surface. Electrons with a maximum speed of 6.0×10^5 ms^−1 are ejected from the surface. What is the threshold frequency for photoemission of electrons?
07
Jun
Light of frequency 7.21×10^14Hz is incident on a metal surface. Electrons with a maximum speed of 6.0×10^5 ms^−1 are ejected from the surface. What is the threshold frequency for photoemission of electrons? Find the (a) maximum frequency and June 7, 2021 Category: Chapter 11 - Dual Nature of Radiation and Matter , NCERT Exemplar Class [...]
A 100 W sodium lamp radiates energy uniformly in all directions. The lamp is located at the centre of a large sphere that absorbs all the sodium light which is incident on it. The wavelength of the sodium light is 589 nm.
07
Jun
A 100 W sodium lamp radiates energy uniformly in all directions. The lamp is located at the centre of a large sphere that absorbs all the sodium light which is incident on it. The wavelength of the sodium light is 589 nm. Find the (a) maximum frequency and June 7, 2021 Category: Chapter 11 - [...]
The energy flux of the sunlight reaching the surface of the earth is 1.388×10^3Wm^−2. How many photons (nearly) per square meter are incident on the earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm.
07
Jun
The energy flux of the sunlight reaching the surface of the earth is 1.388×10^3Wm^−2. How many photons (nearly) per square meter are incident on the earth per second? Assume that the photons in the sunlight have an average wavelength of 550 nm. Find the (a) maximum frequency and June 7, 2021 Category: Chapter 11 - [...]
Find the (a) maximum frequency and
07
Jun
Find the (a) maximum frequency and Find the (a) maximum frequency and June 7, 2021 Category: Chapter 11 - Dual Nature of Radiation and Matter , NCERT Exemplar Class 12 , Physics ,