Chemistry Gk QUESTIONS AND ANSWERS :: part8 : 26 to 30
Following Multiple choice objective type questions and answers for gk in hindi will help you as a free online coaching for your hindi written exam preparation for 2024. These are useful study materials collected from previous year question papers. :
26.किसी तत्व के परमाणु में 2 प्रोटॉन, 2 न्यूट्रॉन और 2 इलेक्ट्रॉन हों तो उस तत्व की द्रव्यमान संख्या कितनी होगी ? |
| 2 |
| 4 |
| 6 |
| 8 |
27.कार्बन का परमाणु क्रमांक 6 तथा परमाणु भार 12 है । इसके नाभिक में कितने प्रोटॉन होते है । |
| 12 |
| 18 |
| 6 |
| 2 |
28.किसी तत्व के परमाणु की दूसरी कक्षा में इलेक्ट्रॉनों की अधिकतम संख्या हो सकती है ? |
| 8 |
| 16 |
| 32 |
| इनमें से कोई नहीं |
29.मेसॉन के खोजकर्ता हैं ? |
| चैडविक |
| थॉमसन |
| युकावा |
| इनमें से कोई नहीं |
30.न्यूट्रिनो के खोजकर्ता हैं ? |
| पाउली |
| एण्डरसन |
| गोल्डस्टीन |
| युकावा |
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