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Chapter 19 - Dawn of ModernMhysics - 5
1.
Energy radiated and absorbed in discrete packets called quanta
a) Planks’ assumption
b) Proton
c) Photo-electric effect
d) Annihilation
2.
Amount of energy required to emit an electron from the metal surface is called
a) Particle
b) Photo-electric effect
c) Work function
d) Annihilation
3.
A photo cell is based on
a) Annihilation
b) Particle
c) Navstar
d) Photo-electric effect
4.
Converse of pair production is called
a) Annihilation
b) Particle
c) Wave length of U V light
d) Navstar
5.
Davison and Germer experiments explains the wave nature of
a) λ=h/mv
b) Wave length of U V light
c) Navstar
d) Particle
6.
Laws of physics are same in
a) λ=h/mv
b) Wave length of U V light
c) Navstar
d) Inertial fames of reference
7.
The emission of electron during photo-electric effect depends upon
a) Wave length of U V light
b) λ=h/mv
c) Navstar
d) Inertial fames of reference
8.
De-broglie equation
a) Navstar
b) λ=h/mv
c) Inertial fames of reference
9.
Modern system of navigation satellites called
a) Inertial fames of reference
b) Proton
c) Navstar
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