In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is5
1619 5b5cc7c2e4d2b41977750af2
Q: In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is
- 1decreased by 2%false
- 2decreased by 4%true
- 3increased by 2%false
- 4increased by 4%false
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