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In figure , S is a monochromatic point source emitting light of wavelength = 500nm A thin lens of circular shape and focal length 0.10m is cut into two identical halves L3 and L2 by a plane passing through a diameter. The two halves are placed symmetrically about the central axis so with a gap of 0.5mm. The distance along the axis from S to L and L2 is 0.15m while that from L and L2 to 0 is 1.30m. The screen at O is normal to SO. If the gap between L1 and L2 is reduced from its original value of 0.5mm, will the distance OA increase, decrease, or remain the same? A+ 0.5 mm Screen 0.15 m 1.30 m

In figure , S is a monochromatic point source emitting light of wavelength = 500nm A thin lens of circular shape and focal length 0.10m is cut into two identical halves L3 and L2 by a plane passing through a diameter. The two halves are placed symmetrically about the central axis so with a gap of 0.5mm. The distance along the axis from S to L and L2 is 0.15m while that from L and L2 to 0 is 1.30m. The screen at O is normal to SO. If the gap between L1 and L2 is reduced from its original value of 0.5mm, will the distance OA increase, decrease, or remain the same? A+ 0.5 mm Screen 0.15 m 1.30 m

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In figure , S is a monochromatic point source emitting light of wavelength A = 500nm A thin lens of circular shape and focal length 0.10m is cut into two identical halves L3 and L2 by a plane passing through a diameter. The two halves are placed symmetrically about the central axis So with a gap of 0.5mm. The distance along the axis from S to L1 and L2 is 0.15m while that from Li and L2 to O is 1.30m. The screen at O is normal to SO. If the gap between Li and L2 is reduced from its original value of 0.5mm, will the distance OA increase, decrease, or remain the same? AINLY A 0.5 mm Screen 0.15 m 1.30 m
Transcribed Image Text:In figure , S is a monochromatic point source emitting light of wavelength A = 500nm A thin lens of circular shape and focal length 0.10m is cut into two identical halves L3 and L2 by a plane passing through a diameter. The two halves are placed symmetrically about the central axis So with a gap of 0.5mm. The distance along the axis from S to L1 and L2 is 0.15m while that from Li and L2 to O is 1.30m. The screen at O is normal to SO. If the gap between Li and L2 is reduced from its original value of 0.5mm, will the distance OA increase, decrease, or remain the same? AINLY A 0.5 mm Screen 0.15 m 1.30 m
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