What is the MSCP of lamp emitting 2200 lumens?

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MPPGCL JE Electrical 28 April 2023 Shift 3 Official Paper
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  1. 225
  2. 550
  3. 350
  4. 175

Answer (Detailed Solution Below)

Option 4 : 175
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Detailed Solution

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Mean spherical candle power (MSCP)

It is defined as the mean of the candle powers in all directions and all planes from the source of light.

MSCP (Mean Spherical Candle Power) is calculated as:

\(MSCP={Total \space Lumens \over 4\pi}\)

Calculation

Given, Total Lumens = 2200

\(MSCP={2200 \over 4\pi}\)

MSCP = 175

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