Diamonds are glittering and attractive because light incident on them undergoes
A. Highest refraction
B. Multiple internal reflections
C. Multiple surface reflections
D. Hundred percent transmission
Answer: Option B
A. Highest refraction
B. Multiple internal reflections
C. Multiple surface reflections
D. Hundred percent transmission
Answer: Option B
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
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