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Physics

Physics
Light from Sun reaches Earth in approximately

10 minutes
8 minutes
12 minutes
3 minutes

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Physics
A system exhibiting S.H.M. must possess

Elasticity only
Elasticity, inertia and an external force
Elasticity as well as inertia
Inertia only

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Physics
Acceptable noise level for human ear

= 85 db
None of these
< 85 db
> 85 db

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Physics
The metal whose electrical conductivity is more, is

Lead
Aluminium
Copper
Silver

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Physics
Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct?

1 and 2 only
1 only
1, 2 and 3
2 and 3 only

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Physics
A spring is an example of which of these

Conservation of mass law
Newton's 1st law
Newton's 3rd law
Hooke's law

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MORE MCQ ON Physics

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