EASY
8th Foundation
IMPORTANT
Earn 100

Read the given statements and select the correct option.
Statement 1: When Ravi saw a film on space wars, he didn't hear any explosions.

Statement 2: Sound travels slowest through gases.

10% studentsanswered this correctly

Important Questions on Sound

EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 8

Observe the given Venn diagram and select the correct option.

Question Image

  l ll lll
A Human Bat Rhinoceros
B Rhinoceros Human Bat
C Bat Rhinoceros Human
D Elephant Bat Human

 

EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 9
Which of the following shows a pleasant sound?
EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 10
The sound wave with high frequency can be represented by
MEDIUM
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 11
If the temperature increases, then what happens to the frequency of the sound produced by an organ pipe?
EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 12
In an experiment to measure the speed of sound in air, a boy stands 40 m away from a wall and bangs two pieces of wood together. At the instant he hears the echo, he bangs them together again. He does this activity 50 times. The time taken for 50 bangs is 12 s. Which calculation gives the speed of sound in air?
EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 13

A student performed an experiment as shown in the figure. 

Question Image

What happened when air was pumped out of the jar and the electric bell rang ?

MEDIUM
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 14

A tuning fork sends sound waves in air. If the temperature of air increases, which of the following parameters will change?

EASY
8th Foundation
IMPORTANT
NSO Science Olympiad Workbook Grade 8>Chapter 12 - Sound>EXERCISES>Q 15

Read the given statements and select the correct option.
Statement 1: Sound would travel faster on a hot summer day than on a cold winter day.

Statement 2: Velocity of sound depends on temperature.