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Physics

Physics
What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?

36
12
24
50

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Physics
Why does ice covered in sawdust not melt quickly ?

Sawdust does not allow the air to touch the ice
Sawdust is good conductor of heat
Sawdust is a bad conductor of heat
The water is absorbed by sawdust

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Physics
What is found in frequency modulation ?

Change in frequency and dimension
Change in dimension only
Fixed dimension
Fixed frequency

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Physics
Light year is a unit of

Time
Intensity of light
Light
Distance

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Physics
Curie point is the temperature at which

Matter becomes radioactive
A metal loses conductivity
A metal loses magnetic properties.
Transmutation of metal occurs.

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Physics
Which one of the following is used for sun glasses ?

Pyrex glass
Crystal glass
Flint glass
Crooks glass

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MORE MCQ ON Physics

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