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Physics

Physics
Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds

0.5
11
5.5
1

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Physics
Safety fuse wire used in domestic electrical appliances is made of metal of low

Specific gravity
Melting point
Conductance
Resistance

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Physics
When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler.

Law of Inertia
Newton's third law of motion
Law of conservation of energy
Law of conservation of momentum

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Physics
Who indirectly determined the mass of the electron by measuring the charge of the electron?

Rutherford
Einstein
Millikan
Thomson

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Physics
A small gap is left at the joints of rails in a railway track to

Avoid the heating of tracks to high temperature
Control the speed of train
Keep the rails equidistant
Avoid the tracks being distorted due to seasonal temperature variation

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Physics
Stars in the sky appear to twinkle due to

Multiple diminishing brightness
A surface tension phenomenon
A series of refractions
A series of reflections

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