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Physics

Physics
If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is

20 J
5 J
0.2 J
500 J

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Physics
Which liquid is the most viscous?

Diesel
Milk
Water
Oil

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Physics
Optical fibres are based on the phenomenon of

Total Internal Reflection
Diffraction
Interference
Dispersion

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Physics
Increased wind speed is accompanied by a reduced air ________

Pressure
Humidity
Aridity
Density

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Physics
The dimension of Planck constant equals to that of

Angular momentum
Energy
Power
Momentum

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Physics
Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

2.8 km, 0.25 km
2.2 km, 0.20 km
3.3 km, 0.30 km
1.8 km, 0.15 km

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