Dual Nature of Matter and Radiation Questions: MCQs on Dual Nature of Matter and Radiation for JEE Main and NEET, Test Number 03
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Question 1 of 5
1. Question
4 pointsThe work function of metals is in the range of 2 eV to 5eV. Find which of the following wavelength of light cannot be used for photoelectric effect. (Consider, Planck constant = 4 × 10–15 eVs, velocity of light = 3 × 108m/s) [WB JEEM 2015]
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Question 2 of 5
2. Question
4 pointsLight of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively, successively illuminate a metallic surface whose work function is 0.5 eV. Ratio of maximum speeds of emitted electrons will be [Karnataka CET 2015]
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Question 3 of 5
3. Question
4 pointsThe maximum kinetic energy of the photoelectrons depends only on [Karnataka CET 2014]
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Question 4 of 5
4. Question
4 pointsAn α-particle moves in a circular path of radius 0.83 cm in the presence of a magnetic field of 0.25 Wb/m2. The de Broglie wavelength associated with the particle will be [CBSE AIPMT Preliminary 2012]
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Question 5 of 5
5. Question
4 pointsAfter absorbing a slowly moving neutron of mass mN (momentum ~ 0) a nucleus of mass M breaks into two nuclei of masses m1 and 5m1 (6m1 = M + mN), respectively. If the de Broglie wavelength of the nucleus with mass m1 is λ, the de Broglie wavelength of the other nucleus will be [AIEEE 2011]
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