Answer: two waves with identical crests and troughs meet
Explanation:
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Answer:
Explanation:
Given:
- refractive index of the glass plate,
- thickness of the glass plate,
- wavelength of the source light,
<u>We know that the refractive index of a medium is given as:</u>
Hence the no. of wavelengths in the glass:
Answer:
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Answer:
Explanation:
Given
The weight of the object, when submerged in the water is
When it is submerged in the bromine liquid, it weighs
Suppose,
for water,
For bromine
Divide (i) and (ii)
Put the density value in equation (i)