A lamp is hanging at a height of 
above a table. The lamp is lowered by 
. The percentage increase in illuminance will be
a)
40%
b)
64%
c)
78%
d)
92%
A lamp is hanging at a height of above a table. The lamp is lowered by . The percentage increase in illuminance will be
a)
40%
b)
64%
c)
78%
d)
92%
Question ID - 152434 | SaraNextGen Top Answer
A lamp is hanging at a height of above a table. The lamp is lowered by . The percentage increase in illuminance will be
a)
40%
b)
64%
c)
78%
d)
92%
|
A lamp is hanging at a height of |
|||||||
|
a) |
40% |
b) |
64% |
c) |
78% |
d) |
92% |
1 Answer
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