Dual Nature of Matter and Radiation Archives - Page 5 of 15

Light of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate a metallic surface whose…

7 years ago

In the Davisson and Germer experiment, the velocity of electrons emitted from the electron gun can be increased by Options…

7 years ago

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from…

7 years ago

Photoelectric emision occurs only when the incident light has more than a certain minimum Options (a) power (b) wavelength (c)…

7 years ago

Order of e/m ratio of proton, α-particle and electron is Options (a) e>p>α (b) p>α>e (c) e>α>p (d) None of…

7 years ago

The potential difference that must be applied to stop the fastest photoelectrons emitted by a nickel surface, having work function…

7 years ago

The minimum wavelength of X-rays produced in a Collidge tube operated at potential difference of 40 kV is Options (a)…

7 years ago

Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å. Another source S₂ is producing 1.02 x 10¹⁵ photons…

7 years ago

X-rays when incident on a metal Options (a) Exert force, Transfer energy and Transfer pressure on it (b) Transfer energy…

7 years ago

Monochromatic light of wavelength 667 nm is produced by a helium neon laser. The power emitted is 9 mW. The…

7 years ago