Questions tagged 'Cathode Rays and Positive Rays'

• In the Millikan's experiment, the distance between two horizontal plates is 2.5 cm and the potential difference applied is 250 V. The electric field between the plates will be
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• The cathode rays have particle nature because of the fact that
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• In Millikan's experiment for the determination of the charge on the electron, the reason for using the oil is
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• The mass of a particle is 400 times than that of an electron and the charge is double. The particle is accelerated by 5 V. Initially the particle remained in rest, then its final kinetic energy will be
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• An electron (charge =$1.6 imes {10^{ - 19}}C$) is accelerated through a potential of 100,000 V. The energy acquired by the electron is
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• 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
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• When electron beam passes through an electric field, they gain kinetic energy. If the same beam passes through magnetic field, then
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• Which of the following law is used in the Millikan's method for the determination of charge
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• The mass of the electron varies with
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays
• When the speed of electrons increases, then the value of its specific charge
  Category: Dual Nature of Radiation and Matter | Tags: Cathode Rays and Positive Rays

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