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Physics

Physics
Energy travels from Sun to Earth through

Radiation
Conduction
Convection
Modulation

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Physics
In quantum mechanics a particle is represented by a

Particle
Wave
None of these
Wave packet

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Physics
Formation of shadows can be explained by

Reflection
Refraction
Rectilinear propagation of light
Total internal reflection

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Physics
What is the value of 1 kW = ?

100 W
10000 W
10 W
1000 W

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Physics
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

8.5 A
24 A
0.41666666666667

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Physics
The phenomenon of change in direction of light when it passes from one medium to another is called

Propagation
Reflection
Refraction
Dispersion

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MORE MCQ ON Physics

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