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JSSC JE EE : Utilization of Electrical Energy Quiz 1

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Question 1

According to second law of illumination, the illumination at any point on an inclined surface is

Question 2

The illumination level in houses is in range

Question 3

The type of lamps having highest illumination efficiency is

Question 4

Illumination is measured using which one of the following?

Question 5

The source of illumination for a cinema projector is ________

Question 6

Which of the following will need the highest level of illumination?

Question 7

Which of the following gets activated upon illumination and generates electrical signal?

Question 8

Which of the following type of lamp gives more illumination from low wattage?

Question 9

If the distance from the source becomes half, what will be the effect on illumination?

Question 10

The illumination at a point 5 meters below a lamp is 6 lux. The candle power of the lamp is :

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May 27AE & JE Exams