When the cross hairs are not clearly visible
AThe cross hairs should be adjusted
BEye piece should be focused
CObjective should be focused
DParalax should be removed
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Related Questions:
Directions: In the question below is given a statement followed by two conclusions numbered I and II. Assuming everything in the statement to be true, then consider the two conclusions together and decide which of them logically follows beyond a reasonable doubt from the information given in the statement. Give the answer.
Statements: The manager humiliated Sachin in the presence of his colleagues.
Conclusions:
I. The manager did not like Sachin.
II. Sachin was not popular with his colleagues.
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Which among the following is a flow, whose streamlines may be represented by a curve?
In a laminar flow through a circular pipe of diameter 20 cm., the maximum velocity is found to be 1m/sec. The velocity at a radial distance 5 cm from the axis of the pipe is
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