Physics · Illumination
सभी दिशाओं में समान रूप से प्रकाश उत्सर्जित करने वाले एक लैंप की माध्य गोलाकार कैंडल पावर (MSCP) 15 है। लैंप द्वारा सभी दिशाओं में विकीर्ण कुल दीप्तिमान फ्लक्स (luminous flux) कितना होगा?
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