Two bulbs ‘A’ and ‘B’ emit red light and yellow light at
8000
o
A and 4000
o
A respectively. The number of photons
emitted by bulbs A and B are in ratio 1:2 per second. If
the red bulb is labelled as 50 watts, find the wattage of
the yellow bulb.
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Answer:
Bulb A is 2000 and the wattage of bulb A is 25watts
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