Unequal expansion of parts of telescope comes under _____ source of error. Options: A . &nbsppersonal B . &nbspnatural C . &nbspinstrumental D . &nbsppersonal and natural

Unequal expansion of parts of telescope comes under ____

Question

Unequal expansion of parts of telescope comes under _____ source of error.

Options:

A . personal

B . natural

C . instrumental

D . personal and natural

Answer: Option C
Answer: (c).instrumental

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