In photoelectric effect, electrons should be removed from the

Related MCQs

• If a billion electrons enter a point in 1 s, then number of electrons leaving that point in 1 s are
• In order to find the internal structure of nucleus, electrons should be accelerated by voltages up to
• Electrons which are free to move around are also called
• Number of conduction electrons per unit volume is
• Actual velocity of electrons between collisions is
• If fast moving electrons rapidly decelerate, then rays produced are
• High speed electrons have wavelength of order
• High speed electrons from particle detectors are used to determine
• Waves associated with electrons are referred to as
• Frequency below which no electrons are emitted from metal surface is