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The focal lengths of the objective and eyepiece of a telescope are 60 cm and 5 cm

The focal lengths of the objective and eyepiece of a telescope are 60 cm and 5 cm respectively. Find as magnifying power (P) for normal adjustment and when the image forms at near point.

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17 просмотров
2 года назад
12+
17 просмотров
2 года назад

The focal lengths of the objective and eyepiece of a telescope are 60 cm and 5 cm respectively. Find as magnifying power (P) for normal adjustment and when the image forms at near point.

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