Physics
If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:

Plane mirror
Plano-concave mirror
Convex mirror
Concave mirror

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Physics
A drop of liquid assumes spherical shape because:

A sphere has the largest surface area for a given volume
Inter molecular forces are weak in liquids
Intermolecular forces are strong in liquids
A sphere has the least surface area for a given volume

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Physics
Which of the following events occurred first ?

Marconi first tranmitted a wireless signal
Max Planck unveiled the Quantum Theory
Albert Einstein propounded the General Theory of Relativity
Madame Marie Curie became the first woman Nobel Prize winner

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