EASY
8th CBSE
IMPORTANT
Earn 100

Loudness of sound is measured in units of

50% studentsanswered this correctly

Important Questions on Sound

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 15
The ultrasound waves can penetrate into matter to a large extent because they have
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 16
1 Hz is equal to
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 17
Frequency is expressed in
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 18
Pitch of sound is determined by its
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 19
The maximum displacement of a vibrating body from its mean position is called
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 20
Ultrasound has frequency of vibration
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 2
Sound is produced by _____ objects.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 13 - Sound>Chapter Practice>Q 3
Time taken to complete one oscillation is called _____.