Chapter 11 – Photoelectric Effect

Two identical metal plates show photoelectric effect by a light of wavelength λA falls on plate A and λB on plate B(λA=2λB). The maximum kinetic energy is Two identical metal plates show photoelectric effect by a light of wavelength λA falls on plate A and λB on plate B(λA=2λB). The maximum kinetic energy is June [...]

If the frequency of light in a photoelectric experiment is doubled the stopping potential will If the frequency of light in a photoelectric experiment is doubled the stopping potential will June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part 2 ,

A point source of light is used in a photoelectric effect. If the source is removed farther from the emitted metal, the stopping potential A point source of light is used in a photoelectric effect. If the source is removed farther from the emitted metal the stopping potential June 17, 2021 Category: Cengage NEET by [...]

A non-monochromatic light is used in an experiment on photoelectric effect. The stopping potential A non-monochromatic light is used in an experiment on photoelectric effect. The stopping potential June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part 2 ,

When ultraviolet radiation is incident on a surface, no photoelectrons are emitted. If another beam causes photoelectrons to be emitted from the surface, it may consist of (i) radio waves (ii) infrared rays (iii) X-rays (iv) gamma rays it may consist of (i) radio waves (ii) infrared rays (iii) X-rays (iv) gamma rays no photoelectrons [...]

If the wavelength of light in an experiment on photoelectric effect is doubled, If the wavelength of light in an experiment on photoelectric effect is doubled June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part 2 ,

Light of frequency 1.5 times the threshold frequency, incident on a photo sensitive material . If the frequency of incident light is halved and the intensity is doubled the photo electric current becomes incident on a photo sensitive material . If the frequency of incident light is halved and the intensity is doubled the photo [...]

In order to increase the kinetic energy of ejected photoelectrons, there should be an increase in In order to increase the kinetic energy of ejected photoelectrons there should be an increase in June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part 2 ,

If Planck’s constant is denoted by h and electronic charge by e, experiments on photoelectric effect allow the determination of experiments on photoelectric effect allow the determination of If Planck's constant is denoted by h and electronic charge by e June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect [...]

The threshold frequency for a certain metal is v0 when light of frequency 2v0 is incident on it . The maximum velocity of photoelectrons is 4×10^6 m/s . If the frequency of incident radiation is increase to 5v0 is incident on it, the maximum velocity of photo electrons will be . Let `(nr) and (nb) [...]