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Physics

Physics
The unit for measuring electric power is the

Volts
Watts
Watts
Steridian

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Physics
The surface tension of water on adding detergent to it

No change
Decreases
Increases
Becomes zero

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Physics
When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is

Dispersion of light
Scattering of light
Reflection of light
Refraction of light

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Physics
Pure water is bad conductor of electricity because it is

A very good solvent
Not volatile
A non-polar solvent
Feebly ionized

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Physics
It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because

Resultant weight of buckets is zero
Centre of gravity falls within the body
Weights of buckets are balanced
Centre of gravity and centre of equilibrium fall within the feet

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Physics
Which of the following is a device designed to protect electrical devices from voltage spikes?

Current unloader
Heat protector
Surge protector
Voltage unloader

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MORE MCQ ON Physics

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