Font size
WorksheetsPhysics
Total questions: 13
Worksheet time: 9mins
Sound is produced by ______ in a body
Vibration
Tunning
Dancing
Reading
One source of sound
(a)
Can we hear our friend on moon if we are not wearing any equipments
Where a dry cell is used
Torch
Bells
Lamp
Christmas lights
Type frequency range for infrasonic sound
(a)
Speed of sound in air is
330m s¹
330m s–¹
1500m s–¹
5960m s–¹
How is a lady voice different from a man
Due to quality
Due to colour
Due to taste
Due to different wave forms
When and where was the magnet found
5000 years ago , in a town magnesia which is in greece
500 years go in europe
Name any main part of electric bell
(a)
Mention characteristics of a sound
(a)
Sound needs a ______ to travel
Box
Bottle
Median
Medium
Select the odd one out
Water
Torch
Electromagnet
Book
At what hz bats and dogs an hear the sound
(a)
