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More Physics Questions
Light is made of seven colours. What is the method of separating the colours?
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'W'h'e'n' 'r'e's'i's't'o'r's' 'a'r'e' 'c'o'n'n'e'c't'e'd' 'i'n' 's'e'r'i'e's',' 't'h'e'n' 'n'e't' 'r'e's'i's't'a'n'c'e' '.' '.' '.' '.' '.' '.' '.' '.'
Energy travels from Sun to Earth through
The focal length of a convex lens is 50 cm. Calculate its power.