Heena Sharma, Shubhankat Vats and, Rashmi Gupta Solutions for Chapter: Sound, Exercise 2: Check Point 02

Author:Heena Sharma, Shubhankat Vats & Rashmi Gupta

Heena Sharma Science Solutions for Exercise - Heena Sharma, Shubhankat Vats and, Rashmi Gupta Solutions for Chapter: Sound, Exercise 2: Check Point 02

Attempt the practice questions on Chapter 12: Sound, Exercise 2: Check Point 02 with hints and solutions to strengthen your understanding. All In One SCIENCE CBSE Class IX solutions are prepared by Experienced Embibe Experts.

Questions from Heena Sharma, Shubhankat Vats and, Rashmi Gupta Solutions for Chapter: Sound, Exercise 2: Check Point 02 with Hints & Solutions

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 1

Wave of frequency 200 Hz is produced in a string as shown in the figure. Find amplitude, wavelength and velocity of the wave.

Question Image

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 2

A sound wave has a frequency of 2 kHz and wavelength 35 cm. How long will it take to travel 1.5 km?

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 3

Define decibel and on what factor does it depend?

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 4

Name the characteristic which helps us to distinguish between a man's voice and woman's voice without seeing them.

EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 12 - Sound>Check Point 02>Q 5

What happens to the speed of sound when it goes from solid to gaseous state?