60% of population has brown eyes. 8 persons are selected randomly from population. Calculate the probability that exactly 5 of them have brown eyes.
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एक दूरदर्शी के अभिद्रश्यक तथा नेत्रिका की फोकस दूरी क्रमश 50सेमी तथा 5सेमी है स्पष्ट द्रष्टि की न्यूनतम् दूरी 25 सेमी है दूरदर्शक का इसके अभिदृश्यक से 200 सेमी दूर रखे एक पैमाने पर स्पष्ट दृष्टि के लिए फोकस किया ...
Provide proper answers on the basis of standard 10 cbse.
Select the correct answers.
Describe exothermic and endothermic reactions with examples.
During the respiration we take oxygen and release carbon dioxide and water.