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Physics

Physics
The metal used to make lightning conductors is

Zinc
Copper
Aluminium
Iron

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Physics
Sound of frequency below 20 Hz is called

ultrasonic
supersonics
infrasonic
audio sounds

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Physics
Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m.

80
4000
2000
40

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Physics
If the earth suddenly stop rotating, the value of "g" will be

Same
Decrease
Increase
Become Zero

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Physics
Stars appear twinkling because of ......... of light.

Reflection
Absorption
Scattering
Emission

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Physics
A pilot has to release the bomb to hit a target

Before the target
Beyond the target
Right above the target
None of these

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MORE MCQ ON Physics

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