Practice Illumination Multiple Choice Questions with Answers Quiz-2

Q.1.

Round each number to the nearest 100.956

900
1,000

Q.2.

Which UGR is most comfortable

40
25
16
13

Q.3.

Round each number to the nearest129

100
200

Q.4.

Round each number to the nearest67

0
100

Q.5.

MHCP is

Mean Hemispherical candle power
Mean Horizontal candle power
Mean horizontal candle point
None of the above

Q.6.

Dolores sawboa constrictors andrattlesnakes at the San Diego Zoo. How many snakes did she see in all?

47
45

Q.7.

A fan hanged below the LED light at a Juice store causes irritation to occupants there, technically it is known as

Glare
Stroboscopic effect
Hard shadow
Disability glare

Q.8.

Round each number to the nearest443

400
500

Q.9.

Textiles shops uses slightly different colored lamps in there show rooms

To please customer
To increase glare
To avoid glare
To improve color rendering

Q.10.

Write the number in expanded form. 579

500+70+9
500 + 79

Q.11.

Lambert's cosine law is

Eθ2 α EmCosθE_{\theta}^2\ \alpha\ \ E_mCos\thetaEθ2 α EmCosθ
Eθ α EmCosθE_{\theta}\ \ \alpha\ \ E_mCos\thetaEθ α EmCosθ
Em α EθCosθE_m\ \ \alpha\ \ \ E_{\theta}Cos\thetaEm α EθCosθ
Eθ α Cosθ EmE_{\theta}\ \ \alpha\ \frac{\ \ Cos\theta}{\ E_m}Eθ α Em Cosθ

Q.12.

Write the number in expanded form. 403

400+3
400 + 30

Q.13.

If a bright flash light has a light intensity of 25.0 Candela at a distance of 2.m from the lens. What is the intensity of the flash light atm away from the lens.

0.0177
35156.25
0.666
937.5

Q.14.

Write the number in expanded form. 690

600 + 9
600+90

Q.15.

Inverse square law is ____ (Assume normal notations)

E2 α 1d2E^2\ \alpha\ \frac{1}{d^2}E2 α d21
I α 1d2I\ \alpha\ \frac{1}{d^2}I α d21
I2 α 1d2I^2\ \alpha\ \frac{1}{d^2}I2 α d21
I2 α d2I^2\ \alpha\ d^2I2 α d2

Q.16.

Round each number to the nearest609

600
700

Q.17.

Round each number to the nearest349

300
400

Q.18.

Frequency mentioned in definition of 1 Candela is

240 x 10^12 Hz
600 x 10^2 Hz
540 x 10^12 Hz
540 x 10^2 Hz

Q.19.

Write the number in expanded form. 742

700+40+2
740 + 2

Q.20.

Round each number to the nearest258

200
300

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