To prepare a print the time taken is 5 sec due to lamp of 60 watt at 0 – McqOptions

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1.	To prepare a print the time taken is 5 sec due to lamp of 60 watt at 0.25 m distance. If the distance is increased to 40 cm then what is the time taken to prepare the similar print [CPMT 1982]
A.	3.1 sec
B.	1 sec
C.	12.8 sec
D.	16 sec
Answer» D. 16 sec

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