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Q1.Which Lamp Has the Best Colour Rendering Index (CRI)?

Correct Option :3

Q3.which Lamps Can be Directly Connected to a Solar Cell?

Correct Option :4

Q5.What will be The Number of Lamps, Each Having 300 Lumens, Required to Obtain an Average Illuminance of 50 Lux on a 4m × 3m Rectangular Room?

Correct Option :1

Q6.Which Among The Following Lamps Has The Maximum Burning Hours?

Correct Option :1

Q7.Wave Length For Red Colour is Around

Correct Option :4

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