Physics
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)

The silver piece will weigh more
Weighing will depend on their masses
Both silver and gold pieces weigh equal
The gold piece will weigh more

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Physics
Rainbows are produced when sunlight :

None of the given statements is correct.
Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.
Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction
Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection.

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