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Physics

Physics
Mach number is used in connection with the speed of

ships
sound
spacecraft
aircraft

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Physics
Which elements are malleable and good conductors of electricity?

Tin and xenon
Iodine and xenon
Tin and silver
Iodine and silver

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Physics
Which of the following is arranged in order of decreasing conductivity?

Copper, Silver, Aluminium, Steel
Copper, Aluminium, Steel, Silver
Aluminium, Silver, Copper, Steel
Silver, Copper, Aluminium, Steel

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Physics
Hydraulic brakes in automobile work on

Poiseuille's principle
Archimedes' principle
Pascal's principle
Bernoulli's principle

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Physics
A man standing on a edge of a cliff throws a stone vertically upwards with a certain speed. He then throws another stone downwards with the same speed. Find the ratio of the speeds of the two stones when they hit the ground.

0.042361111111111
0.043055555555556
Cannot be found from the given information.
0.044444444444444

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Physics
The average kinetic energy of the molecules of an ideal gas is directly proportional to

Absolute temperature of the gas
Velocity of Molecules
Temperature of environment
Mass of Molecules

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MORE MCQ ON Physics

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