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Physics

Physics
An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is

40 J
20 J
10 J
25 J

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Physics
When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to :

Refraction
Reflection
Forced vibrations
Damped vibrations

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Physics
In very cold countries alcohol is used as a thermometric liquid because

It will not stick to the glass tube
Alcohol is a poor conductor of heat
Its freezing point is very low
Alcohol can be coloured for its level to be seen easily

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Physics
Mercury is commonly used as a thermometric fluid rather than water because

specific heat of mercury is less than water
density of mercury is more than the water
specific heat of mercury is more than water
mercury has greater visibility than water

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Physics
In the absence of the earth's atmosphere, sky would appear

Blue
Black
Deep red
White

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Physics
Fleming's right hand rule is used to find the direction of the

Direct current
Alternate current
Actual current
Induced current

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MORE MCQ ON Physics

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