EASY
3rd CBSE
IMPORTANT
Earn 100

Give one example of a Non-luminous object with the help of a hint given in the bracket.
(It is the earth's natural satellite).

35% studentsanswered this correctly

Important Questions on Light and Sound

EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q C
Give one example transparent object with the help of a hint given in the bracket.
(It is used to make things such as windows and bottles)
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q D
What are luminous and non-luminous objects?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q D
Why can we not see through a book?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q D
What happens when an opaque object blocks light?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q D
What is sound?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q E
What is the difference between opaque and transparent objects?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q E
How does the length of a shadow change during the day?
EASY
3rd CBSE
IMPORTANT
CONNECT WITH SCIENCE CLASS 3>Chapter 11 - Light and Sound>Exercises>Q E
With the help of examples, differentiate between pleasant and unpleasant sounds.