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Chapter 19 - Dawn of ModernMhysics - 2
1.
If the scattered X-ray photons are observed at θ=______________, the Compton shift equals the comptom wave length.
a) 20 degrees
b) 2 degrees
c) 0 degrees
2.
A particle and its ____________ can not exist at one place.
a) Scanning electron
b) Pair production
c) Antiparticle
3.
Interference and diffraction of light confirm its _____________ nature.
a) Pair production
b) Wave
c) Scanning electron
4.
Position and____________ of a particle can not be measured simultaneously.
a) Momentum
b) Pair production
c) Scanning electron
5.
The reverse process of annihilation is_________________.
a) Electrons
b) Orbitals
c) Pair production
6.
Electron microscope makes particle use of the _________ nature of electron.
a) Wave
b) Moving
c) Physical
7.
A three dimensional image of remarkable quality can be achieved by ____________ microscopes.
a) Modern
b) Scanning electron
c) Micro
8.
The physics which deal best with the behaviour of microscopic particles moving with the speed of light is called:
a) Microscopic physics
b) Relativistic mechanics
c) Classical physics
d) Newtonian mechanics
9.
A frame of reference which remains at rest or moves with uniform velocity is called:
a) Inertial frame of reference
b) Uniform frame of reference
c) All
d) Non-inertial frame of reference
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