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Physics

Physics
How many laws of physics are there?

5
2
3
4

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Physics
Who measured the velocity of light first ?

Galileo
Romer
Einstein
Newton

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Physics
Copper wires are generally used for electrical power transmission instead of iron wire because :

Copper can take higher power than iron
Copper is a better conductor of electricity than iron
Copper is cheaper than iron
Copper is lighter than iron

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Physics
Hertz is a unit for measuring

Frequency of waves
Clarity of waves
Intensity of waves
Wavelength

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Physics
Man perceives sound vibrations in the frequency ranges of

0 – 5 Hz
6 – 10 Hz
20 – 20000 Hz
11 – 20 Hz

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Physics
Which type of mirror is used in the head lights of vehicles ?

Plane mirror
Concave mirror
Convex mirror
Parabolic mirror

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MORE MCQ ON Physics

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