Dual Nature of Radiation and Matter

Related Questions

• When a beam of accelerated electrons hits a target, a continuous X-ray spectrum is emitted from the target. Which of the following wavelength is absent in the X-ray spectrum, if the X-ray tube is operating at 40,000 volts

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• The mass of a photo electron is

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• The work function for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein’s equation, the metals which will emit photo electrons for a radiation of wavelength 4100 Å is/are

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• A caesium photocell, with a steady potential difference of 60V across, is illuminated by a bright point source of light 50 cm away. When the same light is placed 1m away the photoelectrons emitted from the cell

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• While doing his experiment, Millikan one day observed the following charges on a single drop (i) $6.563 \times {10^{ - 19}}C$ (ii) $8.204 \times {10^{ - 19}}C$ (iii) $11.50 \times {10^{ - 19}}C$ (iv) $13.13 \times {10^{ - 19}}C$ (v) $16.48 \times {10^{ - 19}}C$ (vi) $18.09 \times {10^{ - 19}}C$ From this data the value of the elementary charge (e) was found to be

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