Incandescent vs. fluorescent light

Question 1

What is the primary mechanism by which incandescent bulbs produce light?

Answer 1

Incandescent bulbs produce light by heating a metal filament until it glows.

Question 2

True or False: Fluorescent lights are generally more energy-efficient than incandescent lights.

Answer 2

True

Question 3

Fill in the blank: Incandescent bulbs emit light primarily in the _____ spectrum.

Answer 3

visible

Question 4

What gas is commonly used in fluorescent bulbs?

Answer 4

Mercury vapor

Question 5

Which type of light bulb has a longer lifespan, incandescent or fluorescent?

Answer 5

Fluorescent

Question 6

Multiple Choice: Which of the following is NOT a characteristic of incandescent bulbs? A) High heat output B) Low initial cost C) Long lifespan D) Warm light

Answer 6

C) Long lifespan

Question 7

What is the average lifespan of a typical incandescent bulb?

Answer 7

About 1,000 hours

Question 8

True or False: Fluorescent lights require a ballast to operate.

Answer 8

True

Question 9

Fill in the blank: The light produced by fluorescent bulbs is a result of _____ excitation.

Answer 9

gas

Question 10

Which type of bulb is more commonly used in residential settings?

Answer 10

Incandescent

Question 11

Multiple Choice: Which of the following is a disadvantage of fluorescent bulbs? A) They are energy-efficient B) They contain toxic materials C) They last a long time D) They provide instant light

Answer 11

B) They contain toxic materials

Question 12

What type of light do incandescent bulbs typically produce?

Answer 12

Warm white light

Question 13

True or False: Fluorescent bulbs are more effective in cold environments than incandescent bulbs.

Answer 13

True

Question 14

Fill in the blank: The efficiency of a light bulb is measured in _____ per watt.

Answer 14

lumens

Question 15

What is the typical light output of a standard 60-watt incandescent bulb?

Answer 15

About 800 lumens

Question 16

Multiple Choice: Which light bulb type is known for producing light through a chemical reaction? A) LED B) Incandescent C) Fluorescent D) Halogen

Answer 16

C) Fluorescent

Question 17

What is a common application for fluorescent lights?

Answer 17

Commercial lighting and offices

Question 18

True or False: Incandescent bulbs are less efficient than fluorescent bulbs.

Answer 18

True

Question 19

Fill in the blank: Fluorescent lights can flicker when _____ is insufficient.

Answer 19

current

Question 20

What is the typical color temperature range for incandescent bulbs?

Answer 20

2700K to 3000K

Question 21

Multiple Choice: Which of the following light sources is best for dimming? A) Fluorescent B) Incandescent C) LED D) Both B and C

Answer 21

D) Both B and C

Question 22

What does the term ‘lumen’ measure?

Answer 22

The brightness of light output

Question 23

True or False: Incandescent bulbs are more environmentally friendly than fluorescent bulbs.

Answer 23

False

Question 24

Fill in the blank: Fluorescent lights are often used in _____ fixtures.

Answer 24

tube

Question 25

What is one advantage of using fluorescent lights over incandescent lights?

Answer 25

Lower energy consumption

Question 26

Multiple Choice: Which light bulb type is typically more expensive upfront? A) Incandescent B) Fluorescent C) Both are the same D) It depends

Answer 26

B) Fluorescent

Question 27

What is one reason people prefer incandescent bulbs despite their inefficiency?

Answer 27

They provide a warm light that many find pleasing.