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Physics

Physics
At the center of the sun, fusion converts hydrogen into

Water
Helium
Plutonium
Carbon

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Physics
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

None
K1+k2/k1k2
K1k2/k1+k2
2k1k2/k1+k2

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Physics
The spokes used in the wheel of a bicycle increase its

Momentum
Velocity
Moment of inertia
Acceleration

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Physics
The flow of thermal energy is called

Potential
Heat
Voltage
Current

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Physics
The atmospheric air is held to the Earth by :

Gravity
Winds
Clouds
Rotation of the Earth

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Physics
Water has maximum density at

4°C
273°C
100°C
0°C

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MORE MCQ ON Physics

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