What electric field strength is necessary to suspend drop

Reference no: EM135117

Q1. Light of wavelength 408 nm in air enters a fishbowl filled with water, and then exits through the crown-glass wall of the container. What is the wavelength of the light in the water? The refraction index for water is 1.333 and for crown-glass 1.52.reply in units of nm.

Q2. An oil drop carries one excess electron and weighs 9.2 10-15 N. What electric field strength is necessary to suspend drop so it is motionless?

Reference no: EM135117

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