
Illumination Quiz
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Medium
Asha Aji
Used 5+ times
FREE Resource
Enhance your content in a minute
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rate of emission of light from a light source?
Glow of light
Luminous flux
Illuminance
Luminous intensity
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the luminous flux falling on unit surface area?
Glow of light
Luminous flux
Illuminance
Luminous intensity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct formula for point-source illuminance?
E= P/4πr2
E= 4P πr2
E= P/4πr
E= 4P πr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes the relationship between distance and illuminance?
E∝r
E ∝1/r
Eα1/r2
E∝r2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If distance between the object and the light source is doubled,the luminous flux,P
Remain the same
decrease by factor of 2
decrease by factor of 4
increase by factor of 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If distance between the object and the light source is doubled,the illuminance,E
Remain the same
decrease by factor of 2
decrease by factor of 4
increase by factor of 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unit of luminous intensity
Candela
Lux
Lumen
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of luminous flux?
Lumen
Candela
Lux
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of Illuminance,E?
Candela
Lumen
Lm/m^2
Similar Resources on Wayground
12 questions
Modelos atômicos e distribuição eletrônica 9º ANO
Quiz
•
9th Grade
10 questions
AV2 Avaliação Ciências: Separação Misturas, Mod. Atômicos, Átomo
Quiz
•
9th Grade - University
10 questions
The Periodic Table
Quiz
•
8th - 9th Grade
12 questions
scienza
Quiz
•
6th - 9th Grade
10 questions
Kepler's Laws 1, 2 and 3
Quiz
•
9th Grade
11 questions
Inertia
Quiz
•
4th - 9th Grade
10 questions
Sains Tingkatan 5 Bab 1 Unit 1.2 Mikroorganisma Berfaedah
Quiz
•
9th - 12th Grade
12 questions
Gene Expression
Quiz
•
1st - 10th Grade
Popular Resources on Wayground
25 questions
Multiplication Facts
Quiz
•
5th Grade
15 questions
4:3 Model Multiplication of Decimals by Whole Numbers
Quiz
•
5th Grade
10 questions
The Best Christmas Pageant Ever Chapters 1 & 2
Quiz
•
4th Grade
12 questions
Unit 4 Review Day
Quiz
•
3rd Grade
20 questions
Christmas Trivia
Quiz
•
6th - 8th Grade
18 questions
Kids Christmas Trivia
Quiz
•
KG - 5th Grade
14 questions
Christmas Trivia
Quiz
•
5th Grade
15 questions
Solving Equations with Variables on Both Sides Review
Quiz
•
8th Grade
Discover more resources for Science
10 questions
Exploring the Energy Cycle: Photosynthesis and Cellular Respiration
Interactive video
•
6th - 10th Grade
50 questions
Review for HS LS 3-1 Test
Quiz
•
9th - 12th Grade
21 questions
Punnett Squares
Quiz
•
7th - 9th Grade
15 questions
Domain 1 – Cells: 15-Question Assessment
Quiz
•
9th Grade
11 questions
EOC Domain 1: Cells
Lesson
•
9th - 10th Grade
10 questions
Exploring Light and Waves Concepts
Interactive video
•
6th - 10th Grade
15 questions
Domain 2 – Genetics: 15-Question Assessment
Quiz
•
9th Grade
11 questions
EOC Domain 2: Genetics
Lesson
•
9th - 10th Grade
