7.2 The focal length of the eyepiece and the objectiveof an astronomic – InterviewSolution

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7.2 The focal length of the eyepiece and the objectiveof an astronomical telescope are 4 cm and 50 cmrespectively. The length of the telescope for theadjustment in which eye is most strained will beabout [least distance of distinct vision is 25 cm[NCERT Pg. 341](2) 45 cm(3) 53 cm(4) 40 cm(1) 63 cm

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Answer:

surface of radius a = 1 m SURROUNDING a CHARGE of 8.85 pC.

ε0 = 8.85 x10-12 C2

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