The length of a telescope is 36 cm. The focal lengths of its lenses ca – McqOptions

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1.	The length of a telescope is 36 cm. The focal lengths of its lenses can be [Bihar MEE 1995]
A.	30 cm, 6 cm
B.	? 30 cm, ? 6 cm
C.	30 cm, ? 6 cm
D.	? 30 cm, 6 cm
Answer» B. ? 30 cm, ? 6 cm

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