Physics
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

10 MeV
1 MeV
100 MeV
0.1 MeV

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Physics
Which is evidence that supports the dynamo theory?

Earth's core contains a large amount of iron
Earth's outer core contains liquid that conducts electricity
Convection occurs in Earth's inner core
Granite and basalt conduct electricity

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Physics
Energy in reflected light :

Increases with the increase in angle
Decreases with the increase in angle of incidence
Does not depends on the angle of incidence
Becomes maximum for angle of incidence equal to 45°

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