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In a historical experiment to determine Planck's constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (λ) of incident light and the corresponding stopping potential (V0) are given below :
Given that c = 3 × 108m s–1 and e = 1.6 × 10–19 C , Planck's constant (in units of J s) found from such an experiment is
  • a)
    6.0 × 10–34
  • b)
    6.4 × 10–34
  • c)
    6.6 × 10–34
  • d)
    6.8 × 10–34
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In a historical experiment to determine Planck's constant, a metal...
From the first two values given in data
Similarly if we calculate h  for the last two values of data  h = 6.4 × 10–34J-s
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In a historical experiment to determine Planck's constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (λ) of incident light and the corresponding stopping potential (V0) are given below :Given that c = 3 × 108m s–1 and e = 1.6 × 10–19 C , Planck's constant (in units of J s) found from such an experiment isa)6.0 × 10–34b)6.4 × 10–34c)6.6 × 10–34d)6.8 × 10–34Correct answer is option 'B'. Can you explain this answer?
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In a historical experiment to determine Planck's constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (λ) of incident light and the corresponding stopping potential (V0) are given below :Given that c = 3 × 108m s–1 and e = 1.6 × 10–19 C , Planck's constant (in units of J s) found from such an experiment isa)6.0 × 10–34b)6.4 × 10–34c)6.6 × 10–34d)6.8 × 10–34Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about In a historical experiment to determine Planck's constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (λ) of incident light and the corresponding stopping potential (V0) are given below :Given that c = 3 × 108m s–1 and e = 1.6 × 10–19 C , Planck's constant (in units of J s) found from such an experiment isa)6.0 × 10–34b)6.4 × 10–34c)6.6 × 10–34d)6.8 × 10–34Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a historical experiment to determine Planck's constant, a metal surface was irradiated with light of different wavelengths. The emitted photoelectron energies were measured by applying a stopping potential. The relevant data for the wavelength (λ) of incident light and the corresponding stopping potential (V0) are given below :Given that c = 3 × 108m s–1 and e = 1.6 × 10–19 C , Planck's constant (in units of J s) found from such an experiment isa)6.0 × 10–34b)6.4 × 10–34c)6.6 × 10–34d)6.8 × 10–34Correct answer is option 'B'. Can you explain this answer?.
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