दूर की वस्तुओं के निरीक्षण के लिये किस प्रकाशिक यंत्र का उपयोग किया जाता है ?
A. सरल सूक्ष्मदर्शी
B. संयुक्त सूक्ष्मदर्शी
C. इलेक्ट्रॉन माइक्रोस्कोप
D. दूरदर्शी
उत्तर 4
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#0 /home/gkexams/public_html/ask/comment_list.php(111): mysqli_query(Object(mysqli), 'SELECT cid, com...')
#1 /home/gkexams/public_html/ask/forum.php(59): include('/home/gkexams/p...')
#2 /home/gkexams/public_html/ask/question.php(165): include('/home/gkexams/p...')
#3 {main}
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111