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Physics

Physics
The SI unit of luminous emittance is :

Lumen
Lux
Candela
Lumen second

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Physics
For which one of the following, ''Diodes' are generally used for?

Rectification
Modulation
Amplification
Filtration

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Physics
Which of the following parts of the sunlight makes the solar cooker hot ?

Cosmic rays
Ultra violet
Infra red
Red light

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Physics
A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is:

6
3
7
5

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Physics
The phenomenon of light associated with the appearance of blue colour of the sky is

Interference
Refraction
Scattering
Reflection

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Physics
A galvanometer can be converted into a voltmeter by connecting with it a

High resistance on series
High resistance in parallel
Low resistance in series
Low resistance on parallel

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