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

100 MeV
0.1 MeV
1 MeV
10 MeV

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Physics
Super conductors are substances that

Offer minimum resistance to flow of electric current
Conduct electricity at high temperature
Conduct electricity at low temperature
Offer high resistance to the flow of electric current

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Physics
Air moves from the region where the air ________

Humidity is low to the region where the humidity is high
Humidity is high to the region where the humidity is low
Pressure is high to the region where the pressure is low
Pressure is low to the region where the pressure is high

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