Which of these liquids has the highest viscosity?
A). Milk
B). Syrup
C). Pineapple juice
D). Water
1. The threshold frequency is the frequency below which :
3. Every hot object emits ________
4. The wave of theory of light is based on
7. At what temperature do the Fahrenheit and Celsius scales give the same reading?
8. The colour of sky appears blue due to