1.
If the frequency of incident light is doubled, the energy of each photon becomes
2.
The de Broglie wavelength of a particle is inversely proportional to its
3.
The de Broglie wavelength of an electron accelerated through a potential difference of 100 V is compared with that at 400 V. The wavelength becomes
4.
Which statement is correct regarding photons?
5.
The threshold frequency of a metal depends upon
6.
The Einstein photoelectric equation is
7.
For a moving proton and an electron having the same momentum,
8.
A beam of electrons shows diffraction because electrons possess
9.
The photoelectric effect supports the
10.
The energy of a photon is directly proportional to
11.
Which quantity remains unchanged when the intensity of monochromatic light is increased?
12.
The dual nature of matter was proposed to explain
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