1.

The focal lengths of the objective and eye-piece of a telescope are respectively 100 cm and 2 cm. The moon subtends an angle of \[{{0.5}^{o}}\,\]at the eye. If it is looked through the telescope, the angle subtended by the moon's image will be                                                                        [MP PMT 2000; DCE 2003]

A.            \[{{100}^{o}}\]                    
B.            \[{{50}^{o}}\]
C.            \[{{25}^{o}}\]                       
D.            \[{{10}^{o}}\]
Answer» D.            \[{{10}^{o}}\]


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