Basic Science : De Broglie Waves QUESTIONS AND ANSWERS :: part1 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.Einstein’s mass-energy relation is |
| E = mc |
| E = mc2 |
| E = m2c |
| E = m2c2 |
12.The special feature of an electron microscope is its |
| high resolving power |
| compactness |
| low cost |
| resolving power being equal to that of an optical microscope |
13.Electron microscope works in |
| vacuum |
| atmospheric pressure |
| very high pressure |
| any pressure |
14.The wave nature of electron is applied in the field of |
| electron microscopy |
| fusion reactors |
| artificial radioactivity |
| satellite launching |
15.In an electron microscope, the object is enclosed in |
| a glass plate |
| liquid |
| water |
| colloidal film |
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