MCQ
The value of Planck's constant is
- A$6.63 \times 10^{-34}\; J / sec $
- ✓$6.63 \times 10^{-34}\; kg - m ^{2} / sec$
- C$6.63 \times 10^{-34} \;kg - m ^{2}$
- D$6.63 \times 10^{34} \;J-sec$
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$A$. The energy of a photon is $E=h v$.
$B$. The velocity of a photon is $c$.
$C$. The momentum of a photon, $p=\frac{h v}{c}$.
$D$. In a photon-electron collision, both total energy and total momentum are conserved.
$E$. Photon possesses positive charge.
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