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Physics

Physics
The coil wire in the electric room heater or electric cooking heater is called ________

Element
Cells
Filament
Circuit

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Physics
Hertz is a unit for measuring

Intensity of waves
Frequency of waves
Clarity of waves
Wavelength

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Physics
The information of brilliant colors in a thin soap film is a consequence of the phenomena of

Diffraction and dispersion
Multiple refraction and dispersion
Polarization and interference
Multiple reflection and interference

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Physics
The energy stored in a watch spring is

Potential energy
Chemical energy
Kinetic energy
Heat energy

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Physics
How much mechanical work must be done to completely melt 1 gram of ice at 0°C ?

336 J
4.2 J
80 J
2268 J

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Physics
Which among the following is false about displacement?

It is always positive
It can be positive, negative or zero
Its SI unit is meter
Displacement is never greater than Distance

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