Illumination Which cells in the eye are responsible for scotopic vision? None of these Rod cells Both ‘a’ and ‘b’ Cone cells None of these Rod cells Both ‘a’ and ‘b’ Cone cells ANSWER DOWNLOAD EXAMIANS APP
Illumination Which among the following lamps has the maximum burning hours? Incandescent. Compact Fluorescent. Metal halide. LED. Incandescent. Compact Fluorescent. Metal halide. LED. ANSWER DOWNLOAD EXAMIANS APP
Illumination Which lamps can be directly connected to a solar cell? Compact Fluorescent LED Metal Halide Incandescent Compact Fluorescent LED Metal Halide Incandescent ANSWER DOWNLOAD EXAMIANS APP
Illumination Luminous efficacy of a typical HPSV lamp is in between 10 - 40 lm/watt 70 - 120 lm/watt. 120 - 200 lm/watt. 40 - 70 lm/watt. 10 - 40 lm/watt 70 - 120 lm/watt. 120 - 200 lm/watt. 40 - 70 lm/watt. ANSWER DOWNLOAD EXAMIANS APP
Illumination Candela is the unit of which? Luminous flux. Frequency. Wavelength. Luminous intensity. Luminous flux. Frequency. Wavelength. Luminous intensity. ANSWER DOWNLOAD EXAMIANS APP
Illumination What is the ratio of illuminance at a point 5m just below a lamp emitting 100 candelas and at a point 5m away from the first point on the same horizontal plane? 2:1 1:2 1: 2√2 2√2 : 1 2:1 1:2 1: 2√2 2√2 : 1 ANSWER DOWNLOAD EXAMIANS APP
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