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Digital movie projectors work on the pri...

Digital movie projectors work on the principle of

A

Reflection from micromirrors

B

Refraction from thin lenses

C

Dispersion from thin prisms

D

Total internal reflection from optical fibres

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A
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Knowledge Check

  • Prism works on the principle of :

    A
    Reflection
    B
    Refraction
    C
    Dispersion
    D
    Diffraction

  • A rocket works on the principle of

    A
    conservation of mass
    B
    conservation of energy
    C
    conservation of liner momentum
    D
    none of these

  • Smoke precipitator works on the principle of

    A
    centrifugation.
    B
    neutralization of charge on colloids,
    C
    absorption,
    D
    addition of electrolytes.

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