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Physics

Physics
The SI unit of luminous emittance is :

Lux
Lumen
Lumen second
Candela

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

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

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Physics
The threshold frequency is the frequency below which :

Photo current is constant
Photo electric emission is not possible
Photo current decreases with voltage
Photo current increases with voltage

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Physics
Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.

Shining black
Rough white
Rough black
Shining white

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Physics
What type of simple machine is an axe?

The screw
Both A & B
Wedge
Lever

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Physics
Hydraulic machines work under the Principle of :

Floatation Law
Newton's Law
Joules Law
Pascal's Law

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MORE MCQ ON Physics

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